C08G 65/33344
Containing carbamate group
Official title: {containing carbamate group}
C08G65/33344 (Containing carbamate group) appears on 57 US grants and 46 published applications in this corpus.
Search patents in C08G- Granted patents
- 57
- Published applications
- 46
- Assignees
- 28
- Inventors
- 94
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 4 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 3 | 3 |
| 2012 | 0 | 0 |
| 2013 | 3 | 1 |
| 2014 | 2 | 3 |
| 2015 | 5 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 4 |
| 2018 | 3 | 1 |
| 2019 | 0 | 3 |
| 2020 | 3 | 3 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 2 | 4 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyether derivative and preparation method therefor22 Sep 2026US 12,742,042 B2Guangdong University of Petrochemical Technology
- Curable oxamate esters and formulations made therefrom31 Mar 2026US 12,590,203 B2Henkel AG & Co. KGaA
- Fluorosurfactants21 Nov 2023US 11,820,863 B2Sphere Fluidics Limited
- Multi-arm polymeric alkanoate conjugates13 Jun 2023US 11,672,776 B2Nektar Therapeutics
- Polymer derivatives having particular atom arrangements20 Sep 2022US 11,446,385 B2Nektar Therapeutics
- Method for producing polyethylene glycol compound27 Mar 2025US 2025/0101174 A1Nof Corporation
- Polyether derivative and preparation method therefor19 Oct 2023US 2023/0331912 A1Guangdong University of Petrochemical Technology
- New hydrogels19 Oct 2023US 2023/0331934 A1
- Curable oxamate esters and formulations made therefrom3 Aug 2023US 2023/0242738 A1Henkel AG & Co. KGaA
- Polymer derivatives having particular atom arrangements13 Apr 2023US 2023/0113413 A1Nektar Therapeutics
Most cited
By later US patents
- Polyethylene-protein conjugates184US 5,747,646 AHoffmann-La Roche Inc. · 1998
- Polyethylene-protein conjugates162US 5,834,594 AHoffman-La Roche Inc. · 1998
- Polyethylene-protein conjugates134US 5,849,860 AHoffmann-La Roche Inc. · 1998
- Polyethylene-protein conjugates117US 5,559,213 AHoffmann-La Roche Inc. · 1996
- Hydrolytically degradable carbamate derivatives of poly (ethylene glycol)110US 6,413,507 B1Shearwater Corporation · 2002