C08G 18/727
Comprising distillation residues or non-distilled raw phosgenation products
Official title: {comprising distillation residues or non-distilled raw phosgenation products}
C08G18/727 (Comprising distillation residues or non-distilled raw phosgenation products) appears on 38 US grants and 10 published applications in this corpus.
Search patents in C08G- Granted patents
- 38
- Published applications
- 10
- Assignees
- 17
- Inventors
- 73
- Latest grant
- 27 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 3 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyurethanes and method for making polyurethanes27 Aug 2024US 12,071,505 B2Dow Global Technologies LLC
- Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams16 Aug 2022US 11,414,544 B2Covestro LLC
- Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams1 Dec 2020US 10,851,239 B2Covestro LLC
- Heater, use thereof and method for preparing isocyanate using heater5 May 2020US 10,645,756 B2Wanhua Chemical Group Co., Ltd.
- Powder coating compositions with a polymeric aromatic product of an aromatic isocyanate manufacturing process5 Nov 2019US 10,465,090 B2Covestro LLC
- Methods of manufacturing pvc-free vessel caps14 May 2026US 2026/0131547 A1Eastman Chemical Company
- Polyurethanes and method for making polyurethanes3 Feb 2022US 2022/0033565 A1Dow Global Technologies LLC
- Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams11 Feb 2021US 2021/0040316 A1Covestro LLC
- Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams7 May 2020US 2020/0140684 A1Covestro LLC
- Polyurethane foams comprising a mixture obtained in the production of tolylene diisocyanate (tdi) as bottoms residue23 May 2019US 2019/0153184 A1Covestro Deutschland AG
Most cited
By later US patents
- Flexible polyurethane rebond foam having improved tear resistance and method for the preparation thereof49US 5,312,888 AThe Dow Chemical Company · 1994
- Process for the production of polyurethane plastics39US 4,293,456 ABayer Aktiengesellschaft · 1981
- Process for the production of isocyanate polyaddition products35US 4,595,709 ABayer Aktiengesellschaft · 1986
- Process for the production of polyurethane plastics26US 4,251,638 ABayer Aktiengesellschaft · 1981
- Manufacture of polyurethane foam21US 4,910,231 AImperial Chemical Industries PLC · 1990