C09K 21/14
Macromolecular materials
C09K21/14 (Macromolecular materials) appears on 645 US grants and 695 published applications in this corpus.
Search patents in C09K- Granted patents
- 645
- Published applications
- 695
- Assignees
- 433
- Inventors
- 1,803
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 18 | 0 |
| 2001 | 31 | 9 |
| 2002 | 21 | 15 |
| 2003 | 17 | 31 |
| 2004 | 17 | 24 |
| 2005 | 18 | 20 |
| 2006 | 14 | 23 |
| 2007 | 8 | 37 |
| 2008 | 4 | 19 |
| 2009 | 11 | 17 |
| 2010 | 17 | 17 |
| 2011 | 9 | 13 |
| 2012 | 11 | 17 |
| 2013 | 17 | 42 |
| 2014 | 20 | 41 |
| 2015 | 21 | 40 |
| 2016 | 19 | 49 |
| 2017 | 26 | 39 |
| 2018 | 32 | 42 |
| 2019 | 38 | 35 |
| 2020 | 30 | 40 |
| 2021 | 19 | 17 |
| 2022 | 27 | 26 |
| 2023 | 18 | 31 |
| 2024 | 17 | 23 |
| 2025 | 12 | 15 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flame retardant composition9 Jun 2026US 12,649,856 B2Borealis AG
- Self-flame-retardant copolyesteramide26 May 2026US 12,637,542 B2Arkema France
- Method for preparing coated MOFs by self-assembly of intumescent flame retardant26 May 2026US 12,637,620 B2China Academy of Safety Science and Technology
- Cyclodextrin-polyoxometalate ionic liquid inclusion complex flame retardant additive for making a low smoke zero halogen compound5 May 2026US 12,617,874 B2Corning Incorporated
- Display device21 Apr 2026US 12,607,780 B2LG Display Co., Ltd.
- Phosphorus-containing (meth)acryloyl compound, phosphorus-containing vinyl benzyl compound, production methods therefor, and flame-retardant resin composition and laminated board for electronic circuit board containing same13 Aug 2026US 2026/0234170 A1Nippon Steel Chemical & Material Co., Ltd.
- Flame retardant and use thereof13 Aug 2026US 2026/0234171 A1Shikoku Chemicals Corporation
- Phosphorus-containing (meth)acryloyl compound, phosphorus-containing vinyl benzyl compound, production methods therefor, flame-retardant resin composition and laminated board for electronic circuit board containing same6 Aug 2026US 2026/0226082 A1Nippon Steel Chemical & Material Co., Ltd.
- Display device23 Jul 2026US 2026/0211158 A1LG Display Co., Ltd.
- Thermal protective material, coating, layer, plate and block9 Jul 2026US 2026/0193426 A1
Most cited
By later US patents
- Fire retardant foams comprising expandable graphite, amine salts and phosphorous polyols178US 5,173,515 ABayer Aktiengesellschaft · 1992
- Fire retardant intumescent coating for lignocellulosic materials158US 5,968,669 AJ. M. Huber Corporation · 1999
- Heat expandable compositions158US 6,207,085 B1Rectorseal Corporation · 2001
- Flame-retardant combination152US 6,255,371 B1Clariant GmbH · 2001
- Fire retardant elements127US 4,992,481 ABayer Aktiengesellschaft · 1991