C08J
Working-up
Official title: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29)
C08J (Working-up) appears on 48,735 US grants and 53,976 published applications in this corpus.
Search patents in C08J- Granted patents
- 48,735
- Published applications
- 53,976
- Assignees
- 12,871
- Inventors
- 101,323
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 538 | 0 |
| 1977 | 458 | 0 |
| 1978 | 492 | 0 |
| 1979 | 327 | 0 |
| 1980 | 436 | 0 |
| 1981 | 512 | 0 |
| 1982 | 474 | 0 |
| 1983 | 501 | 0 |
| 1984 | 548 | 0 |
| 1985 | 538 | 0 |
| 1986 | 460 | 0 |
| 1987 | 522 | 0 |
| 1988 | 534 | 0 |
| 1989 | 646 | 0 |
| 1990 | 690 | 0 |
| 1991 | 751 | 0 |
| 1992 | 855 | 0 |
| 1993 | 796 | 0 |
| 1994 | 740 | 0 |
| 1995 | 677 | 0 |
| 1996 | 711 | 0 |
| 1997 | 752 | 0 |
| 1998 | 855 | 0 |
| 1999 | 829 | 0 |
| 2000 | 799 | 0 |
| 2001 | 793 | 259 |
| 2002 | 823 | 877 |
| 2003 | 792 | 1121 |
| 2004 | 758 | 1190 |
| 2005 | 489 | 1217 |
| 2006 | 551 | 1302 |
| 2007 | 516 | 1378 |
| 2008 | 461 | 1342 |
| 2009 | 545 | 1580 |
| 2010 | 813 | 1892 |
| 2011 | 923 | 1792 |
| 2012 | 1025 | 1831 |
| 2013 | 1116 | 1893 |
| 2014 | 1310 | 1991 |
| 2015 | 1383 | 2514 |
| 2016 | 1605 | 2590 |
| 2017 | 1776 | 2750 |
| 2018 | 1858 | 3021 |
| 2019 | 2076 | 3085 |
| 2020 | 2311 | 3093 |
| 2021 | 2078 | 2953 |
| 2022 | 1891 | 3179 |
| 2023 | 1983 | 3112 |
| 2024 | 2094 | 3208 |
| 2025 | 1938 | 2728 |
| 2026 | 1386 | 2078 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- C08J 5/00Manufacture of articles or shaped materials containing macromolecular substances18,263
- C08J 3/00Processes of treating or compounding macromolecular substances13,811
- C08J 9/00Working-up of macromolecular substances to porous or cellular articles or materials10,977
- C08J 7/00Chemical treatment or coating of shaped articles made of macromolecular substances7,208
- C08J 2323/00Working-up: characterised by the use of homopolymers or copolymers of unsaturated aliphaticIndexing code6,595
- C08J 2367/00Working-up: characterised by the use of polyesters obtained by reactions forming aIndexing code4,964
- C08J 2375/00Working-up: characterised by the use of polyureas or polyurethanesIndexing code3,787
- C08J 2327/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code2,898
All 112 main groupsShow fewer
- C08J 2201/00Foams characterised by the foaming processIndexing code2,835
- C08J 11/00Recovery or working-up of waste materials2,635
- C08J 2333/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code2,615
- C08J 2300/00Working-up: characterised by the use of unspecified polymersIndexing code2,413
- C08J 2203/00Foams characterized by the expanding agentIndexing code2,213
- C08J 2379/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code2,045
- C08J 2205/00Foams characterised by their propertiesIndexing code1,948
- C08J 2423/00Working-up: characterised by the use of homopolymers or copolymers of unsaturated aliphaticIndexing code1,939
- C08J 2383/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code1,820
- C08J 2325/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code1,806
- C08J 2363/00Working-up: characterised by the use of epoxy resinsIndexing code1,772
- C08J 2433/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code1,570
- C08J 2377/00Working-up: characterised by the use of polyamides obtained by reactions forming aIndexing code1,544
- C08J 2321/00Working-up: characterised by the use of unspecified rubbersIndexing code1,437
- C08J 2301/00Working-up: characterised by the use of cellulose, modified cellulose or cellulose derivativesIndexing code1,261
- C08J 2483/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code1,256
- C08J 2371/00Working-up: characterised by the use of polyethers obtained by reactions forming anIndexing code1,148
- C08J 2369/00Working-up: characterised by the use of polycarbonatesIndexing code1,000
- C08J 2467/00Working-up: characterised by the use of polyesters obtained by reactions forming aIndexing code954
- C08J 2329/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code930
- C08J 2475/00Working-up: characterised by the use of polyureas or polyurethanesIndexing code927
- C08J 2207/00Foams characterised by their intended useIndexing code925
- C08J 2361/00Working-up: characterised by the use of condensation polymers of aldehydes or ketonesIndexing code753
- C08J 2381/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code681
- C08J 2305/00Working-up: characterised by the use of polysaccharides or of their derivatives notIndexing code646
- C08J 2309/00Working-up: characterised by the use of homopolymers or copolymers of conjugated dieneIndexing code630
- C08J 2353/00Working-up: characterised by the use of block copolymers containing at least oneIndexing code614
- C08J 2427/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code612
- C08J 2471/00Working-up: characterised by the use of polyethers obtained by reactions forming anIndexing code534
- C08J 2425/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code533
- C08J 2463/00Working-up: characterised by the use of epoxy resinsIndexing code516
- C08J 2351/00Working-up: characterised by the use of graft polymers in which the graftedIndexing code484
- C08J 2429/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code476
- C08J 2400/00Working-up: characterised by the use of unspecified polymersIndexing code444
- C08J 2365/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code424
- C08J 2479/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code403
- C08J 2477/00Working-up: characterised by the use of polyamides obtained by reactions forming aIndexing code391
- C08J 2303/00Working-up: characterised by the use of starch, amylose or amylopectin or ofIndexing code373
- C08J 2401/00Working-up: characterised by the use of cellulose, modified cellulose or cellulose derivativesIndexing code367
- C08J 2307/00Working-up: characterised by the use of natural rubberIndexing code330
- C08J 2453/00Working-up: characterised by the use of block copolymers containing at least oneIndexing code309
- C08J 2409/00Working-up: characterised by the use of homopolymers or copolymers of conjugated dieneIndexing code301
- C08J 2451/00Working-up: characterised by the use of graft polymers in which the graftedIndexing code300
- C08J 2389/00Working-up: characterised by the use of proteinsIndexing code286
- C08J 2491/00Working-up: characterised by the use of oils, fats or waxesIndexing code245
- C08J 2405/00Working-up: characterised by the use of polysaccharides or of their derivatives notIndexing code243
- C08J 2331/00Working-up: characterised by the use of copolymers of compounds having one orIndexing code241
- C08J 2335/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code195
- C08J 2339/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code190
- C08J 2461/00Working-up: characterised by the use of condensation polymers of aldehydes or ketonesIndexing code184
- C08J 2421/00Working-up: characterised by the use of unspecified rubbersIndexing code172
- C08J 2481/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code169
- C08J 2397/00Working-up: characterised by the use of lignin-containing materialsIndexing code154
- C08J 2395/00Bituminous materialsIndexing code151
- C08J 2355/00Working-up: characterised by the use of homopolymers or copolymers, obtained by polymerisationIndexing code148
- C08J 2345/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code147
- C08J 2469/00Working-up: characterised by the use of polycarbonatesIndexing code143
- C08J 2403/00Working-up: characterised by the use of starch, amylose or amylopectin or ofIndexing code142
- C08J 2319/00Working-up: characterised by the use of rubbers not provided for in groupsIndexing code133
- C08J 2439/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code125
- C08J 2435/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code114
- C08J 2347/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code112
- C08J 2489/00Working-up: characterised by the use of proteinsIndexing code111
- C08J 2431/00Working-up: characterised by the use of copolymers of compounds having one orIndexing code106
- C08J 2387/00Working-up: characterised by the use of unspecified macromolecular compounds, obtained otherwise thanIndexing code101
- C08J 2391/00Working-up: characterised by the use of oils, fats or waxesIndexing code100
- C08J 2315/00Working-up: characterised by the use of rubber derivativesIndexing code99
- C08J 2465/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code94
- C08J 2407/00Working-up: characterised by the use of natural rubberIndexing code88
- C08J 2385/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code83
- C08J 2343/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code82
- C08J 2497/00Working-up: characterised by the use of lignin-containing materialsIndexing code80
- C08J 2357/00Working-up: characterised by the use of unspecified polymers obtained by reactions onlyIndexing code78
- C08J 2313/00Working-up: characterised by the use of rubbers containing carboxyl groupsIndexing code70
- C08J 2311/00Working-up: characterised by the use of homopolymers or copolymers of chloropreneIndexing code69
- C08J 2359/00Working-up: characterised by the use of polyacetals containing polyoxymethylene sequences onlyIndexing code65
- C08J 2447/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code61
- C08J 2455/00Working-up: characterised by the use of homopolymers or copolymers, obtained by polymerisationIndexing code51
- C08J 2443/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code50
- C08J 2457/00Working-up: characterised by the use of unspecified polymers obtained by reactions onlyIndexing code48
- C08J 2487/00Working-up: characterised by the use of unspecified macromolecular compounds, obtained otherwise thanIndexing code44
- C08J 2317/00Working-up: characterised by the use of reclaimed rubberIndexing code43
- C08J 2399/00Working-up: characterised by the use of natural macromolecular compounds or of derivativesIndexing code42
- C08J 2485/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code38
- C08J 2445/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code37
- C08J 2373/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code36
- C08J 2493/00Working-up: characterised by the use of natural resinsIndexing code34
- C08J 2393/00Working-up: characterised by the use of natural resinsIndexing code33
- C08J 2495/00Bituminous materialsIndexing code33
- C08J 2349/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code29
- C08J 2415/00Working-up: characterised by the use of rubber derivativesIndexing code25
- C08J 2413/00Working-up: characterised by the use of rubbers containing carboxyl groupsIndexing code20
- C08J 2419/00Working-up: characterised by the use of rubbers not provided for in groupsIndexing code19
- C08J 2341/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code17
- C08J 2411/00Working-up: characterised by the use of homopolymers or copolymers of chloropreneIndexing code16
- C08J 2499/00Working-up: characterised by the use of natural macromolecular compounds or of derivativesIndexing code15
- C08J 2337/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code13
- C08J 2459/00Working-up: characterised by the use of polyacetals containing polyoxymethylene sequences onlyIndexing code10
- C08J 2417/00Working-up: characterised by the use of reclaimed rubberIndexing code7
- C08J 2473/00Working-up: characterised by the use of macromolecular compounds obtained by reactions formingIndexing code6
- C08J 2437/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code5
- C08J 2441/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code5
- C08J 2449/00Working-up: characterised by the use of homopolymers or copolymers of compounds havingIndexing code4
- C08J 99/00Subject matter not provided for in other groups of this subclass3
Recent patents
- Coating composition comprising bacteriophage and antibacterial film formed by using same6 Oct 2026US 12,751,458 B2Kookmin University Industry Academy Cooperation Foundation
- Low viscosity nonaqueous metal oxide particle dispersions6 Oct 2026US 12,751,911 B2Inolex Investment Corporation
- Preparation method of superabsorbent polymer6 Oct 2026US 12,752,255 B2LG Chem.Ltd.
- Abrasive articles and methods and systems for generating and using the same6 Oct 2026US 12,752,398 B2Abrasive Technology, Inc.
- Method for producing (meth)acrylic monomer6 Oct 2026US 12,753,142 B2Microwave Chemical Co., Ltd.
- Elastomeric laminate(s) for absorbent article donning8 Oct 2026US 2026/0306309 A1The Procter & Gamble Company
- Contorted polyamide membranes and methods of use thereof8 Oct 2026US 2026/0307019 A1University of Houston System
- Biodegradable film8 Oct 2026US 2026/0307370 A1Novamont S. p. A.
- Polymerizable composition, ion exchange resin, ion exchange membrane, membrane electrode assembly, and hydrogen production device8 Oct 2026US 2026/0308295 A1Tokuyama Corporation
- Resin composition, resin solution, and method for producing crosslinked coating film8 Oct 2026US 2026/0308304 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Medical devices and applications of polyhydroxyalkanoate polymers1,636US 6,838,493 B2Metabolix, Inc. · 2005
- Process for manufacturing biomedical foams1,536US 6,355,699 B1Ethicon, Inc. · 2002
- End use applications of biodegradable polymers1,525US 5,444,113 AEcopol, LLC · 1995
- Aerogel metallic compositions1,501US 7,071,287 B2Aspen Aerogels, Inc. · 2006
- Fluoropolymer bonding composition and method1,489US 7,235,302 B23M Innovative Properties Company · 2007