C08F 265/02
On to polymers of acids, salts or anhydrides
Official title: on to polymers of acids, salts or anhydrides
C08F265/02 (On to polymers of acids, salts or anhydrides) appears on 166 US grants and 176 published applications in this corpus.
Search patents in C08F- Granted patents
- 166
- Published applications
- 176
- Assignees
- 109
- Inventors
- 464
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 5 |
| 2003 | 4 | 5 |
| 2004 | 6 | 3 |
| 2005 | 5 | 4 |
| 2006 | 3 | 5 |
| 2007 | 2 | 5 |
| 2008 | 3 | 4 |
| 2009 | 1 | 7 |
| 2010 | 1 | 13 |
| 2011 | 6 | 4 |
| 2012 | 6 | 7 |
| 2013 | 3 | 5 |
| 2014 | 6 | 8 |
| 2015 | 5 | 11 |
| 2016 | 7 | 11 |
| 2017 | 12 | 9 |
| 2018 | 5 | 5 |
| 2019 | 9 | 6 |
| 2020 | 4 | 8 |
| 2021 | 6 | 8 |
| 2022 | 2 | 16 |
| 2023 | 4 | 8 |
| 2024 | 10 | 7 |
| 2025 | 7 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aqueous dispersion of opacifying pigment particles25 Aug 2026US 12,715,999 B2Rohm and Haas Company
- Aqueous adhesive2 Jun 2026US 12,644,028 B2Henkel AG & Co. KGaA
- Coated resin particles and method for producing coated resin particles31 Mar 2026US 12,590,190 B2Sumitomo Seika Chemicals Co., Ltd.
- Hydrogel and uses therefor16 Sep 2025US 12,415,895 B2Sekisui Kasei Co., Ltd.
- Process for preparing aqueous polymer dispersions5 Aug 2025US 12,378,431 B2Covestro (Netherlands) B.V.
- Water-absorbing resin composition, water-stopping material, and cable23 Jul 2026US 2026/0208156 A1Sumitomo Seika Chemicals Co., Ltd.
- Water-based binder, and preparation method therefor and use thereof2 Jul 2026US 2026/0184834 A1Shenzhen Yanyi New Materials Co., Ltd.
- Aqueous dispersion of opacifying pigment-binder hybrid polymer particles11 Jun 2026US 2026/0159699 A1Rohm and Haas Company
- Modified polyacrylic acid adhesive, carbon-coated aluminum foil and battery25 Dec 2025US 2025/0391871 A1Eve Power Co., Ltd.
- Emulsion for wide temperature range sound dampening property2 Oct 2025US 2025/0304798 A1BASF SE
Most cited
By later US patents
- Polymeric particles, their manufacture and uses265US 4,849,484 AAllied Colloids Limited · 1989
- Sequential heteropolymer dispersion and a particulate material obtainable therefrom, useful in coating compositions as a thickening and/or opacifying agent170US 4,427,836 ARohm and Haas Company · 1984
- Sequential heteropolymer dispersion and a particulate materal obtainable therefrom, useful in coating compositions as a thickening and/or opacifying agent105US 4,468,498 ARohm and Haas Company · 1984
- Polymeric particles and their preparation90US 4,920,160 ATioxide Group Limited · 1990
- Method of purification of viral vectors88US 5,837,520 ACanji, Inc. · 1998