C08G 65/2696
Characterised by the process or apparatus used
Official title: {characterised by the process or apparatus used}
C08G65/2696 (Characterised by the process or apparatus used) appears on 191 US grants and 241 published applications in this corpus.
Search patents in C08G- Granted patents
- 191
- Published applications
- 241
- Assignees
- 120
- Inventors
- 648
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 8 | 6 |
| 2003 | 5 | 7 |
| 2004 | 8 | 11 |
| 2005 | 3 | 10 |
| 2006 | 4 | 6 |
| 2007 | 4 | 11 |
| 2008 | 4 | 14 |
| 2009 | 6 | 8 |
| 2010 | 3 | 10 |
| 2011 | 4 | 10 |
| 2012 | 5 | 7 |
| 2013 | 9 | 16 |
| 2014 | 4 | 10 |
| 2015 | 13 | 9 |
| 2016 | 5 | 16 |
| 2017 | 9 | 13 |
| 2018 | 11 | 6 |
| 2019 | 10 | 5 |
| 2020 | 9 | 14 |
| 2021 | 7 | 4 |
| 2022 | 4 | 13 |
| 2023 | 5 | 16 |
| 2024 | 7 | 2 |
| 2025 | 5 | 7 |
| 2026 | 0 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Preparation process of allyl alcohol polyether with low potassium and sodium content30 Dec 2025US 12,509,550 B2Shangyu Huangma Surface Activated Reagent Research Institute Co., Ltd.
- Electrochemically engineered surface of hydrogels, particularly peg hydrogels, for enhanced cellular penetration2 Dec 2025US 12,486,364 B2ETH Zurich
- Low foaming hydraulic fluids having biodegradable polyalkylene glycol rheology modifiers useful in subsea applications18 Nov 2025US 12,473,399 B2Dow Global Technologies LLC
- Draw solute, draw solution, and water treatment device7 Oct 2025US 12,434,190 B2Nippon Shokubai Co., Ltd.
- Method for producing a mixture comprising at least one compound having at least two hydroxy and/or amino groups and use thereof for producing a polymer26 Aug 2025US 12,398,233 B2RAMPF Advanced Polymers GmbH & Co. KG
- Batch process for preparing a polyether alcohol using a double metal cyanide catalyst6 Aug 2026US 2026/0226233 A1Shell USA, Inc.
- Batch process for preparing a polyether alcohol using a double metal cyanide catalyst6 Aug 2026US 2026/0226234 A1Shell USA, Inc.
- Controlled addition of ligand in polyol synthesis30 Jul 2026US 2026/0217898 A1Repsol, S. A.
- Batch process for preparing a polyether alcohol using a double metal cyanide catalyst16 Jul 2026US 2026/0201104 A1Shell USA, Inc.
- Batch process for preparing a polyether alcohol using a double metal cyanide catalyst16 Jul 2026US 2026/0201105 A1Shell USA, Inc.
Most cited
By later US patents
- Continuous preparation of low unsaturation polyoxyalkylene polyether polyols with continuous additon of starter65US 5,689,012 AARCO Chemical Technology, L. P. · 1997
- Preparation of double metal cyanide-catalyzed polyols by continuous addition of starter56US 5,777,177 AARCO Chemical Technology, L. P. · 1998
- Foam test for double metal cyanide-catalyzed polyols44US 5,919,988 AARCO Chemical Technology, L. P. · 1999
- Formation of polymer polyols with a narrow polydispersity using double metal cyanide (DMC) catalysts42US 6,713,599 B1BASF SE · 2004
- Poly(oxypropylene/oxyethylene) random polyols useful in preparing flexible high resilience foam with reduced tendencies toward shrinkage and foam prepared therewith35US 5,648,559 AARCO Chemical Technology, L. P. · 1997