C08L 29/14
Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated
Official title: Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
C08L29/14 (Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated) appears on 261 US grants and 315 published applications in this corpus.
Search patents in C08L- Granted patents
- 261
- Published applications
- 315
- Assignees
- 170
- Inventors
- 673
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 9 |
| 2004 | 5 | 11 |
| 2005 | 6 | 9 |
| 2006 | 6 | 9 |
| 2007 | 4 | 5 |
| 2008 | 3 | 5 |
| 2009 | 1 | 10 |
| 2010 | 5 | 6 |
| 2011 | 3 | 9 |
| 2012 | 7 | 7 |
| 2013 | 7 | 12 |
| 2014 | 3 | 13 |
| 2015 | 6 | 6 |
| 2016 | 10 | 25 |
| 2017 | 12 | 17 |
| 2018 | 22 | 35 |
| 2019 | 22 | 32 |
| 2020 | 23 | 18 |
| 2021 | 11 | 22 |
| 2022 | 17 | 15 |
| 2023 | 17 | 17 |
| 2024 | 10 | 10 |
| 2025 | 6 | 5 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Performance and processing of polyvinyl butyral (PVB)/acrylic composites14 Jul 2026US 12,679,966 B2Rohm and Haas Company
- Recycle content poly(vinyl acetal)9 Jun 2026US 12,649,805 B2Eastman Chemical Company
- Metal paste27 Jan 2026US 12,534,592 B2TANAKA PRECIOUS METAL TECHNOLOGIES Co., Ltd.
- Fabrication and thermal shaping of transparent glass9 Dec 2025US 12,492,140 B2Glassomer GmbH
- Synthetic flashing material18 Nov 2025US 12,473,734 B2Redeahold Apeldoorn B.V.
- Thermoplastic resin film, laminate, and optical laminate16 Jul 2026US 2026/0200217 A1Sekisui Chemical Co., Ltd.
- Interlayer film for laminated glass, and laminated glass9 Jul 2026US 2026/0192546 A1Sekisui Chemical Co., Ltd.
- Polymer composition18 Jun 2026US 2026/0167798 A1Jiaxing Fuying Composite Materials Co., Ltd.
- Acetalization product of ethylenevinyl alcohol copolymer, composition containing said acetalization product, and barrier material28 May 2026US 2026/0146118 A1Kuraray Co., Ltd.
- High refractive index polyvinyl acetal resins modified with cyclic aldehydes23 Apr 2026US 2026/0109795 A1Eastman Chemical Company
Most cited
By later US patents
- Photohardenable compositions54US 4,090,936 AMinnesota Mining and Manufacturing Company · 1978
- Viscosifier and fluid loss control system48US 4,349,443 AW. R. Grace & Co. · 1982
- Flexible adhesive composition and method for utilizing same and article formed therefrom46US 3,932,689 ASumitomo Bakelite Co., Ltd. · 1976
- Laminated glass intermediate film and laminated glass45US 8,715,815 B2Sekisui Chemical Co., Ltd. · 2014
- Binders for forming a ceramics sheet and applications thereof44US 5,248,712 ATakeda Chemical Industries, Ltd. · 1993