C08L
Compositions of macromolecular compounds
Official title: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
C08L (Compositions of macromolecular compounds) appears on 87,039 US grants and 92,436 published applications in this corpus.
Search patents in C08L- Granted patents
- 87,039
- Published applications
- 92,436
- Assignees
- 17,257
- Inventors
- 146,756
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 951 | 0 |
| 1977 | 728 | 0 |
| 1978 | 949 | 0 |
| 1979 | 646 | 0 |
| 1980 | 727 | 0 |
| 1981 | 892 | 0 |
| 1982 | 708 | 0 |
| 1983 | 783 | 0 |
| 1984 | 828 | 0 |
| 1985 | 878 | 0 |
| 1986 | 725 | 0 |
| 1987 | 787 | 0 |
| 1988 | 861 | 0 |
| 1989 | 1071 | 0 |
| 1990 | 1007 | 0 |
| 1991 | 1281 | 0 |
| 1992 | 1378 | 0 |
| 1993 | 1475 | 0 |
| 1994 | 1478 | 0 |
| 1995 | 1260 | 0 |
| 1996 | 1352 | 0 |
| 1997 | 1255 | 0 |
| 1998 | 1445 | 0 |
| 1999 | 1518 | 0 |
| 2000 | 1528 | 0 |
| 2001 | 1705 | 498 |
| 2002 | 1735 | 1741 |
| 2003 | 1641 | 2323 |
| 2004 | 1615 | 2457 |
| 2005 | 1189 | 2449 |
| 2006 | 1238 | 2585 |
| 2007 | 1120 | 2578 |
| 2008 | 972 | 2764 |
| 2009 | 1107 | 3077 |
| 2010 | 1759 | 3747 |
| 2011 | 1930 | 3549 |
| 2012 | 2047 | 3393 |
| 2013 | 2461 | 3886 |
| 2014 | 2803 | 3912 |
| 2015 | 2898 | 4183 |
| 2016 | 2963 | 4067 |
| 2017 | 3211 | 4109 |
| 2018 | 3037 | 4911 |
| 2019 | 3334 | 5135 |
| 2020 | 3839 | 5333 |
| 2021 | 3477 | 5282 |
| 2022 | 3161 | 5099 |
| 2023 | 3211 | 4684 |
| 2024 | 3189 | 4445 |
| 2025 | 2941 | 3655 |
| 2026 | 1945 | 2574 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- C08L 23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one16,335
- C08L 2205/00Polymer mixtures characterised by other featuresIndexing code13,572
- C08L 83/00Compositions of macromolecular compounds obtained by reactions forming in the main chain9,101
- C08L 67/00Compositions of polyesters obtained by reactions forming a carboxylic ester link in8,553
- C08L 33/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated7,848
- C08L 51/00Compositions of graft polymers in which the grafted component is obtained by6,556
- C08L 63/00Compositions of epoxy resins6,177
- C08L 71/00Compositions of polyethers obtained by reactions forming an ether link in the6,157
All 61 main groupsShow fewer
- C08L 2203/00ApplicationsIndexing code5,431
- C08L 77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in5,206
- C08L 53/00Compositions of block copolymers containing at least one sequence of a polymer5,160
- C08L 2666/00Composition of polymers characterized by a further compound in the blend, beingIndexing code4,924
- C08L 75/00Compositions of polyureas or polyurethanes4,754
- C08L 9/00Compositions of homopolymers or copolymers of conjugated diene hydrocarbons4,564
- C08L 2201/00PropertiesIndexing code4,452
- C08L 27/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated4,330
- C08L 25/00Compositions of, homopolymers or copolymers of compounds having one or more unsaturated4,149
- C08L 101/00Compositions of unspecified macromolecular compounds3,873
- C08L 79/00Compositions of macromolecular compounds obtained by reactions forming in the main chain3,741
- C08L 69/00Compositions of polycarbonates3,739
- C08L 2207/00Properties characterising the ingredient of the compositionIndexing code3,430
- C08L 1/00Compositions of cellulose, modified cellulose or cellulose derivatives3,192
- C08L 61/00Compositions of condensation polymers of aldehydes or ketones2,996
- C08L 5/00Compositions of polysaccharides or of their derivatives not provided for in groups2,759
- C08L 2312/00CrosslinkingIndexing code2,653
- C08L 21/00Compositions of unspecified rubbers2,566
- C08L 91/00Compositions of oils, fats or waxes2,354
- C08L 95/00Compositions of bituminous materials2,206
- C08L 97/00Compositions of lignin-containing materials2,190
- C08L 81/00Compositions of macromolecular compounds obtained by reactions forming in the main chain1,891
- C08L 7/00Compositions of natural rubber1,865
- C08L 29/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated1,747
- C08L 3/00Compositions of starch, amylose or amylopectin or of their derivatives or degradation1,594
- C08L 55/00Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon1,503
- C08L 2314/00Polymer mixtures characterised by way of preparationIndexing code1,486
- C08L 65/00Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in1,372
- C08L 15/00Compositions of rubber derivatives1,302
- C08L 89/00Compositions of proteins1,070
- C08L 35/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated881
- C08L 31/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated731
- C08L 2555/00Characteristics of bituminous mixturesIndexing code706
- C08L 59/00Compositions of polyacetals615
- C08L 39/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated603
- C08L 57/00Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds602
- C08L 19/00Compositions of rubbers not provided for in groups c08l7/00 - c08l17/00571
- C08L 93/00Compositions of natural resins508
- C08L 2310/00MasterbatchesIndexing code474
- C08L 43/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated436
- C08L 2308/00Chemical blending or stepwise polymerisation process with the same catalystIndexing code434
- C08L 45/00Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals384
- C08L 13/00Compositions of rubbers containing carboxyl groups382
- C08L 85/00Compositions of macromolecular compounds obtained by reactions forming a linkage in the344
- C08L 47/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated326
- C08L 11/00Compositions of homopolymers or copolymers of chloroprene302
- C08L 73/00Compositions of macromolecular compounds obtained by reactions forming a linkage containing oxygen273
- C08L 99/00Compositions of natural macromolecular compounds or of derivatives thereof not provided for232
- C08L 87/00Compositions of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only208
- C08L 17/00Compositions of reclaimed rubber133
- C08L 41/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated81
- C08L 37/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated65
- C08L 49/00Compositions of homopolymers or copolymers of compounds having one or more carbon-to-carbon39
Recent patents
- Tapered heart valve covering6 Oct 2026US 12,751,822 B2Edwards Lifesciences Corporation
- Molding material, molded article, and production method for molding material6 Oct 2026US 12,752,321 B2Glencal Technology Co., Ltd.
- Blow-molded article and method for producing the same6 Oct 2026US 12,752,469 B2Kaneka Corporation
- Epoxy resin curing agent, epoxy resin composition, and paint6 Oct 2026US 12,753,270 B2Mitsubishi Gas Chemical Company, Inc.
- Synthesis of self-healing benzoxazine polymers through melt polymerization6 Oct 2026US 12,753,281 B2Kaneka Corporation
- Hybrid three-dimensional printing and electrospinning platform for multi-layered biomimetic scaffolds8 Oct 2026US 2026/0306705 A1
- Silicate Fiber Polymer Composite8 Oct 2026US 2026/0307297 A1Tundra Composites, LLC
- Composite material containing wood-based fibers and having high impact strength8 Oct 2026US 2026/0307303 A1
- Biodegradable film8 Oct 2026US 2026/0307370 A1Novamont S. p. A.
- Heavy-duty tire8 Oct 2026US 2026/0307433 A1Sumitomo Rubber Industries, Ltd.
Most cited
By later US patents
- Plastic surgical staple1,925US 4,317,451 AEthicon, Inc. · 1982
- Medical devices and applications of polyhydroxyalkanoate polymers1,636US 6,838,493 B2Metabolix, Inc. · 2005
- Tissue biopsy and treatment apparatus and method1,617US 6,869,430 B2Rita Medical Systems, Inc. · 2005
- End use applications of biodegradable polymers1,525US 5,444,113 AEcopol, LLC · 1995
- Bioabsorbable medical implants1,504US 5,674,286 AUnited States Surgical Corporation · 1997