C08G 2115/00
Oligomerisation
C08G2115/00 (Oligomerisation) appears on 585 US grants and 372 published applications in this corpus.
Search patents in C08G- Granted patents
- 585
- Published applications
- 372
- Assignees
- 228
- Inventors
- 1,208
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 12 | 0 |
| 1978 | 16 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 5 | 0 |
| 1984 | 26 | 0 |
| 1985 | 19 | 0 |
| 1986 | 12 | 0 |
| 1987 | 19 | 0 |
| 1988 | 17 | 0 |
| 1989 | 9 | 0 |
| 1990 | 11 | 0 |
| 1991 | 13 | 0 |
| 1992 | 18 | 0 |
| 1993 | 20 | 0 |
| 1994 | 21 | 0 |
| 1995 | 17 | 0 |
| 1996 | 14 | 0 |
| 1997 | 15 | 0 |
| 1998 | 12 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 2 |
| 2002 | 7 | 8 |
| 2003 | 7 | 6 |
| 2004 | 4 | 8 |
| 2005 | 1 | 3 |
| 2006 | 5 | 4 |
| 2007 | 0 | 10 |
| 2008 | 1 | 9 |
| 2009 | 2 | 12 |
| 2010 | 1 | 10 |
| 2011 | 0 | 23 |
| 2012 | 7 | 22 |
| 2013 | 11 | 22 |
| 2014 | 13 | 22 |
| 2015 | 17 | 18 |
| 2016 | 18 | 15 |
| 2017 | 18 | 18 |
| 2018 | 15 | 28 |
| 2019 | 12 | 28 |
| 2020 | 21 | 22 |
| 2021 | 14 | 14 |
| 2022 | 16 | 29 |
| 2023 | 14 | 11 |
| 2024 | 11 | 12 |
| 2025 | 8 | 8 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Latent reactive adhesive preparations4 Aug 2026US 12,698,428 B2Covestro Deutschland AG
- Isocyanurate-containing polyisocyanate composition with stable chromaticity, and preparation method thereof6 Jan 2026US 12,516,191 B2Wanhua Chemical Group Co., Ltd.
- Polyisocyanurate materials as electrical potting compounds9 Dec 2025US 12,492,281 B2Covestro Deutschland AG
- (meth)acrylate-functionalized oligomers and methods of preparing and using such oligomers9 Dec 2025US 12,492,283 B2Arkema France
- Method for improving the flame, smoke and/or toxicity retardancy in polyisocyanurate / polyurethane (PIR/PUR) comprising materials4 Nov 2025US 12,460,041 B2Huntsman International LLC
- Macro-cyclic polyester oligomers produced directly from diols and aromatic dicarboxylic acids, and related methods17 Sep 2026US 2026/0275033 A1JM Mihalich LLC
- Method for Preparing Isocyanurate-Group-Containing Polyisocyanates3 Sep 2026US 2026/0258187 A1Covestro Deutschland AG
- Conversion of polyisocyanurate30 Jul 2026US 2026/0217942 A1Unilin BV
- Polyurethane foam-forming reaction mixtures, polyurethane foams formed therefrom, and methods for their production and use16 Jul 2026US 2026/0201107 A1Covestro LLC
- Imide-containing polyols, methods for making imide-containing polyols and methods for using imide-containing polyols9 Apr 2026US 2026/0098120 A1Dow Global Technologies LLC
Most cited
By later US patents
- Catalysis of organic isocyanate reactions103US 4,040,992 AAir Products and Chemicals, Inc. · 1977
- Rigid polyurethane foams74US 6,403,665 B1Imperial Chemical Industries PLC · 2002
- Tertiary amine-containing polyols prepared in a mannich condensation reaction using a mixture of alkanolamines61US 4,883,826 AThe Dow Chemical Company · 1989
- Polyisocyanate compositions53US 4,866,103 AICI Americas Inc. · 1989
- Two-component primerless urethane-isocyanurate adhesive compositions having high temperature resistance53US 5,175,228 AGenCorp Inc. · 1992