C08F 12/32
Containing two or more rings
Official title: containing two or more rings
C08F12/32 (Containing two or more rings) appears on 203 US grants and 239 published applications in this corpus.
Search patents in C08F- Granted patents
- 203
- Published applications
- 239
- Assignees
- 151
- Inventors
- 679
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 2 | 4 |
| 2006 | 2 | 3 |
| 2007 | 3 | 3 |
| 2008 | 2 | 9 |
| 2009 | 5 | 4 |
| 2010 | 3 | 9 |
| 2011 | 4 | 10 |
| 2012 | 2 | 9 |
| 2013 | 2 | 6 |
| 2014 | 11 | 9 |
| 2015 | 10 | 17 |
| 2016 | 10 | 27 |
| 2017 | 14 | 18 |
| 2018 | 13 | 8 |
| 2019 | 24 | 8 |
| 2020 | 6 | 6 |
| 2021 | 5 | 6 |
| 2022 | 1 | 8 |
| 2023 | 6 | 11 |
| 2024 | 7 | 16 |
| 2025 | 8 | 15 |
| 2026 | 2 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compound, polymerizable composition, polymer, and polymerized film22 Sep 2026US 12,741,936 B2FUJIFILM Corporation
- Materials for reducing acids from liquid phases2 Jun 2026US 12,643,971 B2The Board of Trustees of The University of Alabama
- Compound, resin precursor, cured object, optical element, optical system, interchangeable camera lens, optical device, cemented lens, and method for manufacturing cemented lens9 Dec 2025US 12,492,273 B2Nikon Corporation
- Polymeric resin for dielectric applications25 Nov 2025US 12,479,938 B2Rohm and Haas Electronic Materials Korea Ltd.
- Polymers and the use thereof for detecting ion fluxes4 Nov 2025US 12,460,038 B2Centre National De La Recherche Scientifique
- Anion exchange polymer comprising 4-x-quinuclidinium structure, method for preparing same, and anion exchange membrane comprising same27 Aug 2026US 2026/0249282 A1Hd Hyundai Oilbank Co., Ltd.
- Composition and method for manufacturing semiconductor substrate27 Aug 2026US 2026/0251977 A1Jsr Corporation
- Actinic ray-sensitive or radiation-sensitive resin composition, actinic ray-sensitive or radiation-sensitive film, pattern forming method, and method for producing electronic device9 Jul 2026US 2026/0194813 A1FUJIFILM Corporation
- Membranes2 Jul 2026US 2026/0183761 A1FUJIFILM Corporation
- High-refractive-index transparent cyclic olefin polymer and preparation method thereof2 Jul 2026US 2026/0184825 A1Tianjin University
Most cited
By later US patents
- UV-absorbing benzotriazoles having a styrene group36US 5,637,726 AWesley-Jessen Corporation · 1997
- Allyl or methallyl-bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid imides and bisimides34US 4,515,962 ACiba-Geigy Corporation · 1985
- Polymer having sulfonic acid group or sulfonic acid ester group and amide group, and toner for developing electrostatic latent image having the polymer34US 7,935,771 B2Canon Kabushiki Kaisha · 2011
- Ocular device comprising a uv-absorbing benzotriazoles having a styrene group31US 5,729,322 AWesley-Jessen Corporation · 1998
- Benzotriazole compound and homopolymer or copolymers thereof30US 4,380,643 AAsahi Glass Company, Limited · 1983