C08L 81/00
Compositions of macromolecular compounds obtained by reactions forming in the main chain
Official title: Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
C08L81/00 (Compositions of macromolecular compounds obtained by reactions forming in the main chain) appears on 1,891 US grants and 1,833 published applications in this corpus.
Search patents in C08L- Granted patents
- 1,891
- Published applications
- 1,833
- Assignees
- 747
- Inventors
- 4,449
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 19 | 0 |
| 1978 | 10 | 0 |
| 1979 | 17 | 0 |
| 1980 | 14 | 0 |
| 1981 | 19 | 0 |
| 1982 | 13 | 0 |
| 1983 | 10 | 0 |
| 1984 | 17 | 0 |
| 1985 | 21 | 0 |
| 1986 | 17 | 0 |
| 1987 | 26 | 0 |
| 1988 | 28 | 0 |
| 1989 | 38 | 0 |
| 1990 | 41 | 0 |
| 1991 | 50 | 0 |
| 1992 | 61 | 0 |
| 1993 | 63 | 0 |
| 1994 | 37 | 0 |
| 1995 | 32 | 0 |
| 1996 | 27 | 0 |
| 1997 | 32 | 0 |
| 1998 | 37 | 0 |
| 1999 | 28 | 0 |
| 2000 | 39 | 0 |
| 2001 | 26 | 8 |
| 2002 | 30 | 36 |
| 2003 | 32 | 55 |
| 2004 | 23 | 61 |
| 2005 | 20 | 35 |
| 2006 | 40 | 44 |
| 2007 | 27 | 36 |
| 2008 | 18 | 53 |
| 2009 | 26 | 73 |
| 2010 | 30 | 73 |
| 2011 | 46 | 67 |
| 2012 | 44 | 69 |
| 2013 | 59 | 83 |
| 2014 | 59 | 66 |
| 2015 | 64 | 80 |
| 2016 | 55 | 77 |
| 2017 | 50 | 65 |
| 2018 | 55 | 106 |
| 2019 | 54 | 116 |
| 2020 | 77 | 98 |
| 2021 | 84 | 105 |
| 2022 | 65 | 96 |
| 2023 | 51 | 96 |
| 2024 | 47 | 116 |
| 2025 | 59 | 75 |
| 2026 | 35 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blend of polyarylether ketone copolymer6 Oct 2026US 12,753,305 B2Syensqo Specialty Polymers USA, LLC
- Polymer composition with a high degree of thermal shock resistance29 Sep 2026US 12,747,352 B2Ticona LC
- Nanoscale polyamide composite material, and preparation method therefor and use thereof8 Sep 2026US 12,729,304 B2Shanghai Zhonglei New Material Science Co., Ltd.
- Translucent magazine for a firearm8 Sep 2026US 12,729,923 B2Magpul Industries Corp.
- Polyimide resin composition and molded body1 Sep 2026US 12,723,156 B2Mitsubishi Gas Chemical Company, Inc.
- Elastic sulfonated styrene diene block copolymers8 Oct 2026US 2026/0308343 A1Rensselaer Polytechnic Institute
- Article for chemical mechanical polishing process and chemical mechanical polishing system including the article1 Oct 2026US 2026/0295772 A1Shpp Global Technologies B.V.
- Method for producing tetrafunctional thiol with episulfide resin as starting material1 Oct 2026US 2026/0299165 A1Mitsubishi Gas Chemical Company, Inc.
- Solution of polyarylsulfone polymers in n-(2'-hydroxyethyl)-2-pyrrolidone for membrane preparation and use3 Sep 2026US 2026/0258248 A1BASF SE
- Laminate and method for forming laminate20 Aug 2026US 2026/0241412 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Plastic surgical staple1,925US 4,317,451 AEthicon, Inc. · 1982
- Kink-free spiral-wound catheter385US 5,454,795 ATarget Therapeutics, Inc. · 1995
- Joint320US 6,332,733 B1Hamberger Industriewerke GmbH · 2001
- Compositions and systems for forming high strength medical sealants, and associated methods of preparation and use317US 6,495,127 B1Cohesion Technologies, Inc. · 2002
- Compositions and systems for forming crosslinked biomaterials and associated methods of preparation and use264US 6,458,889 B1Cohesion Technologies, Inc. · 2002