C08G 18/163
Covered by c08g18/18 and c08g18/22
Official title: {covered by C08G18/18 and C08G18/22}
C08G18/163 (Covered by c08g18/18 and c08g18/22) appears on 358 US grants and 486 published applications in this corpus.
Search patents in C08G- Granted patents
- 358
- Published applications
- 486
- Assignees
- 228
- Inventors
- 1,291
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 9 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 4 |
| 2003 | 3 | 0 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 4 |
| 2007 | 0 | 5 |
| 2008 | 0 | 2 |
| 2009 | 1 | 7 |
| 2010 | 3 | 5 |
| 2011 | 1 | 8 |
| 2012 | 3 | 10 |
| 2013 | 1 | 4 |
| 2014 | 6 | 15 |
| 2015 | 8 | 17 |
| 2016 | 11 | 33 |
| 2017 | 19 | 31 |
| 2018 | 18 | 47 |
| 2019 | 31 | 40 |
| 2020 | 25 | 24 |
| 2021 | 20 | 63 |
| 2022 | 18 | 37 |
| 2023 | 25 | 36 |
| 2024 | 26 | 38 |
| 2025 | 21 | 32 |
| 2026 | 9 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sulfur containing polyisocyanate polyaddition (PIPA) polyol with improved flame retardant properties and foams containing them8 Sep 2026US 12,729,264 B2Dow Global Technologies LLC
- Method for recovering raw materials from polyurethane foams28 Jul 2026US 12,692,359 B2Covestro Deutschland AG
- Hydrofluoro olefin propellant in a polyurethane foam composition7 Apr 2026US 12,595,347 B2Icp Construction, Inc.
- Viscoelastic polyurethane foam with coating17 Mar 2026US 12,577,360 B2Dow Global Technologies LLC
- Composition, silicone polyether surfactant formed therefrom, and related methods and articles10 Mar 2026US 12,570,803 B2Dow Global Technologies LLC
- Method for preparing flexible slabstock polyurethane foam8 Oct 2026US 2026/0308300 A1Evonik Operations GmbH
- Tertiary amino-amide composition useful in making polyurethane polymers8 Oct 2026US 2026/0308301 A1Evonik Operations GmbH
- Two-component polyurethane adhesive with durable adhesion to inorganic substrates13 Aug 2026US 2026/0234453 A1Ddp Specialty Electronic Materials US, LLC
- Acid-blocked pyrrolidine catalysts for polyurethane foam30 Jul 2026US 2026/0217893 A1Huntsman Petrochemical Corporation
- Biodegradable bio-based polyurethanes30 Jul 2026US 2026/0217896 A1Algenesis Corporation
Most cited
By later US patents
- Polyurethane sealant compositions76US 5,852,137 AEssex Specialty Products, Inc. · 1998
- Tin or bismuth complex catalysts and trigger cure of coatings therewith67US 4,788,083 AAshland Oil, Inc. · 1988
- Polyurethane sealant compositions57US 6,015,475 AEssex Specialty Products, Inc. · 2000
- Aliphatic polyurethane sprayable coating compositions and method of preparation55US 4,748,192 AUrylon Development, Inc. · 1988
- Catalyst mixtures for polyisocyanurate foam47US 4,710,521 AThe Celotex Corporation · 1987