C08G 18/1833
Having ether, acetal, or orthoester groups
Official title: {having ether, acetal, or orthoester groups}
C08G18/1833 (Having ether, acetal, or orthoester groups) appears on 216 US grants and 340 published applications in this corpus.
Search patents in C08G- Granted patents
- 216
- Published applications
- 340
- Assignees
- 144
- Inventors
- 839
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 4 |
| 2007 | 0 | 8 |
| 2008 | 0 | 5 |
| 2009 | 2 | 2 |
| 2010 | 2 | 5 |
| 2011 | 1 | 3 |
| 2012 | 3 | 8 |
| 2013 | 2 | 4 |
| 2014 | 5 | 11 |
| 2015 | 4 | 16 |
| 2016 | 7 | 25 |
| 2017 | 14 | 21 |
| 2018 | 18 | 34 |
| 2019 | 17 | 23 |
| 2020 | 22 | 19 |
| 2021 | 15 | 43 |
| 2022 | 14 | 21 |
| 2023 | 18 | 20 |
| 2024 | 15 | 23 |
| 2025 | 14 | 18 |
| 2026 | 8 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Liquid moisture curable polyurethane with improved adhesion to aluminum11 Aug 2026US 12,703,808 B2Henkel AG & Co. KGaA
- Method for recovering raw materials from polyurethane foams28 Jul 2026US 12,692,359 B2Covestro Deutschland AG
- Polyurethane insulation foam composition comprising a stabilizing compound14 Apr 2026US 12,600,813 B2Huntsman International LLC
- Preparation of polyurethane systems7 Apr 2026US 12,595,332 B2Evonik Operations GmbH
- 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
- Polyurethane insulation foam composition comprising a stabilizing compound17 Sep 2026US 2026/0275024 A1Huntsman International LLC
- Liquid, One Component, Moisture Curable Polyurethane for Bonding Untreated Metals20 Aug 2026US 2026/0242645 A1Henkel AG & Co. KGaA
- Acid-blocked pyrrolidine catalysts for polyurethane foam30 Jul 2026US 2026/0217893 A1Huntsman Petrochemical Corporation
Most cited
By later US patents
- At least partially resorbable reticulated elastomeric matrix elements and methods of making same952US 9,050,176 B2Biomerix Corporation · 2015
- Metabolically acceptable polyisocyanate adhesives96US 4,829,099 ABioResearch Inc. · 1989
- Two-component polyurethane / vinyl ester hybrid foam system and its use as a flame retardant material and material for filling openings in buildings with foam50US 8,217,093 B2Hilti Aktiengesellschaft · 2012
- One-part moisture-curable polyurethane adhesive, coating, and sealant compositions46US 4,511,626 AMinnesota Mining and Manufacturing Company · 1985
- Polyol compositions having good flow and water blown rigid polyurethane foams made thereby having good dimensional stability28US 5,798,533 ABASF SE · 1998