D21H 19/32
Obtained by reactions forming a linkage containing silicon in the main chain
Official title: obtained by reactions forming a linkage containing silicon in the main chain of the macromolecule
D21H19/32 (Obtained by reactions forming a linkage containing silicon in the main chain) appears on 229 US grants and 185 published applications in this corpus.
Search patents in D21H- Granted patents
- 229
- Published applications
- 185
- Assignees
- 130
- Inventors
- 600
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 13 | 2 |
| 2002 | 9 | 8 |
| 2003 | 10 | 7 |
| 2004 | 8 | 9 |
| 2005 | 3 | 8 |
| 2006 | 3 | 8 |
| 2007 | 0 | 9 |
| 2008 | 4 | 14 |
| 2009 | 2 | 11 |
| 2010 | 2 | 6 |
| 2011 | 5 | 7 |
| 2012 | 3 | 9 |
| 2013 | 7 | 12 |
| 2014 | 6 | 4 |
| 2015 | 7 | 7 |
| 2016 | 1 | 4 |
| 2017 | 6 | 3 |
| 2018 | 1 | 3 |
| 2019 | 3 | 8 |
| 2020 | 2 | 6 |
| 2021 | 4 | 8 |
| 2022 | 7 | 7 |
| 2023 | 4 | 5 |
| 2024 | 2 | 6 |
| 2025 | 4 | 7 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aerosol-generating article comprising a wrapper11 Aug 2026US 12,702,153 B2Philip Morris Products S. A.
- Biopolymer composition and its use as a powder coating11 Aug 2026US 12,703,947 B2Brightplus Oy
- Organopolysiloxane composition for use in release paper or release film28 Apr 2026US 12,612,494 B2Shin-Etsu Chemical Co., Ltd.
- Paper packaging material with improved resuspendability of cellulosic fibres7 Apr 2026US 12,595,101 B2Constantia Pirk GmbH & Co. KG
- Impermeabilization treatment of paper or cardboard and impermeable paper or cardboard thus obtained31 Mar 2026US 12,590,415 B2Qwarzo S.P.A.
- Silane compound-contained coating liquid composition24 Sep 2026US 2026/0286178 A1
- Paper packaging material with improved resuspendability of cellulosic fibres13 Aug 2026US 2026/0233910 A1Constantia Pirk GmbH & Co. KG
- Impermeabilization treatment of paper or cardboard and impermeable paper or cardboard thus obtained6 Aug 2026US 2026/0226687 A1Qwarzo S.P.A.
- Water repellent composition2 Jul 2026US 2026/0184907 A1Daikin Industries, Ltd.
- Addition-curable releasing silicone composition for silicone pressure sensitive adhesive, release film, and release paper21 May 2026US 2026/0139165 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- Radiation curable silicone release compositions111US 4,201,808 AUnion Carbide Corporation · 1980
- Internally-coated porous webs with controlled positioning of modifiers therein102US 5,869,172 ANextec Applications, Inc. · 1999
- Methods and apparatus for controlled placement of a polymer composition into a web96US 5,876,792 ANextec Applications, Inc. · 1999
- Silicone emulsion which provides an elastomeric product and methods for preparation92US 4,221,688 ADow Corning Corporation · 1980
- Soft absorbent tissue82US 6,432,270 B1Kimberly-Clark Worldwide, Inc. · 2002