C08G 18/3271
Hydroxyamines
Official title: {Hydroxyamines}
C08G18/3271 (Hydroxyamines) appears on 743 US grants and 862 published applications in this corpus.
Search patents in C08G- Granted patents
- 743
- Published applications
- 862
- Assignees
- 410
- Inventors
- 2,290
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 0 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 10 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 13 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 3 |
| 2002 | 13 | 10 |
| 2003 | 10 | 12 |
| 2004 | 4 | 15 |
| 2005 | 5 | 18 |
| 2006 | 7 | 16 |
| 2007 | 2 | 39 |
| 2008 | 11 | 21 |
| 2009 | 9 | 20 |
| 2010 | 12 | 20 |
| 2011 | 13 | 21 |
| 2012 | 17 | 10 |
| 2013 | 18 | 28 |
| 2014 | 20 | 34 |
| 2015 | 22 | 28 |
| 2016 | 27 | 39 |
| 2017 | 34 | 44 |
| 2018 | 29 | 42 |
| 2019 | 29 | 72 |
| 2020 | 41 | 56 |
| 2021 | 54 | 67 |
| 2022 | 43 | 65 |
| 2023 | 31 | 66 |
| 2024 | 40 | 47 |
| 2025 | 37 | 38 |
| 2026 | 25 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aqueous self-crosslinkable polyurethane dispersions22 Sep 2026US 12,742,035 B2BASF SE
- Sulfur containing polyisocyanate polyaddition (PIPA) polyol with improved flame retardant properties and foams containing them8 Sep 2026US 12,729,264 B2Dow Global Technologies LLC
- Rigid polyurethane foam and multilayer thermal insulation assemblies containing the foam9 Jun 2026US 12,649,815 B2Dow Global Technologies LLC
- Aziridinyl functional compound26 May 2026US 12,637,423 B2Covestro (Netherlands) B.V.
- Chemically modified shape memory polymer embolic foams with increased X-ray visualization19 May 2026US 12,630,664 B2The Texas A&M University System
- Upcycling polyurethane foam by incorporation of dynamic covalent adaptable networks17 Sep 2026US 2026/0275023 A1Ford Global Technologies, LLC
- Polyurethane-polyurea aqueous dispersion, and preparation method therefor and use thereof27 Aug 2026US 2026/0250455 A1Wanhua Chemical Group Co., Ltd.
- Composite made of randomly bonded polymer fiber loops and polyurethane foam20 Aug 2026US 2026/0242598 A1Dow Global Technologies LLC
- Water-borne multi-pack type coating composition and method for producing coated article13 Aug 2026US 2026/0234435 A1Nippon Paint Automotive Coatings Co., Ltd.
- Method for forming multilayer coating film and clear coating used for producing multilayer coating film13 Aug 2026US 2026/0234437 A1BASF Coatings GmbH
Most cited
By later US patents
- Ethoxylated amine oxides having clay soil removal/anti-redeposition properties useful in detergent compositions85US 4,548,744 A1985
- Polymer-modified polyols useful in polyurethane manufacture83US 4,374,209 AInterchem International S.A. · 1983
- Functionalized halogenated polymers for microencapsulation75US 7,052,766 B2SiPix Imaging, Inc. · 2006
- Method of producing a supporting bandage and bandaging material suitable for this purpose73US 4,376,438 ABayer Aktiengesellschaft · 1983
- Surface coatings and a process for their production57US 5,412,056 ABayer Aktiengesellschaft · 1995