C08K 5/12
Of cyclic polycarboxylic acids
Official title: of cyclic polycarboxylic acids
C08K5/12 (Of cyclic polycarboxylic acids) appears on 801 US grants and 957 published applications in this corpus.
Search patents in C08K- Granted patents
- 801
- Published applications
- 957
- Assignees
- 511
- Inventors
- 2,207
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 17 | 0 |
| 1978 | 8 | 0 |
| 1979 | 8 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 11 | 0 |
| 1983 | 11 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 12 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 9 | 11 |
| 2003 | 6 | 9 |
| 2004 | 5 | 16 |
| 2005 | 4 | 9 |
| 2006 | 9 | 7 |
| 2007 | 7 | 14 |
| 2008 | 7 | 16 |
| 2009 | 6 | 12 |
| 2010 | 9 | 22 |
| 2011 | 7 | 25 |
| 2012 | 11 | 30 |
| 2013 | 13 | 36 |
| 2014 | 19 | 47 |
| 2015 | 31 | 61 |
| 2016 | 42 | 75 |
| 2017 | 44 | 62 |
| 2018 | 43 | 58 |
| 2019 | 46 | 72 |
| 2020 | 64 | 68 |
| 2021 | 41 | 62 |
| 2022 | 35 | 67 |
| 2023 | 42 | 57 |
| 2024 | 44 | 50 |
| 2025 | 38 | 43 |
| 2026 | 20 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 2-ethylhexyl methyl terephthalate and bis(2-ethylhexyl) terephthalate blend plasticizers11 Aug 2026US 12,703,785 B2Eastman Chemical Company
- Tetraisopentyl esters of butanetetracarboxylic acid, production thereof and use thereof as plasticizers28 Jul 2026US 12,692,365 B2Evonik Oxeno GmbH
- Ester-based plasticizer composition and use thereof28 Jul 2026US 12,692,366 B2Hanwha Solutions Corporation
- Multilayer floor decorative material7 Jul 2026US 12,674,044 B2KCC Glass Corporation
- Antimicrobial medical glove2 Jun 2026US 12,643,989 B2BMG (British Medical Group) Limited
- Composition for Use in the Sulphur Based Vulcanization of Rubber8 Oct 2026US 2026/0308354 A1Rubber Nano Products (Proprietary) Limited
- Hydroxyphenyltriazine co-stabilizers for stabilized polyesters13 Aug 2026US 2026/0234368 A1BASF SE
- Transparent dielectric heater composition and transparent dielectric heater23 Jul 2026US 2026/0214759 A1Korea University of Technology and Education Industry-University Cooperation Foundation
- Process for the preparation of an elastomer composition comprising a linear or cyclic di-carboxylic acid16 Jul 2026US 2026/0201145 A1Pirelli Tyre S. P. A.
- White, heat shrink film and a process of its manufacturing9 Jul 2026US 2026/0193430 A1Garware Hi-Tech Films Limited
Most cited
By later US patents
- Container for blood and blood components87US 4,670,013 AMiles Laboratories, Inc. · 1987
- Flame retardant composition85US 5,886,072 ATeknor Apex Company · 1999
- Bicyclo[2.2.1]heptane dicarboxylate salts as polyolefin nucleators70US 6,465,551 B1Milliken & Company · 2002
- Blood compatible polymers and medical devices made therefrom containing dioctyladipate plasticizer62US 4,286,597 ABaxter Travenol Laboratories, Inc. · 1981
- Plasticizer-containing films of partially acetalized polyvinyl alcohols57US 4,361,625 ADynamit Nobel Aktiengesellschaft · 1982