D21H 17/58
Obtained by reactions forming in the main chain of the macromolecule a
Official title: obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur
D21H17/58 (Obtained by reactions forming in the main chain of the macromolecule a) appears on 15 US grants and 14 published applications in this corpus.
Search patents in D21H- Granted patents
- 15
- Published applications
- 14
- Assignees
- 11
- Inventors
- 24
- Latest grant
- 22 Jan 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
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| 1989 | 1 | 0 |
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| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 5 |
| 2014 | 5 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Polymers, composites, and methods for making polymers and composites22 Jan 2019US 10,184,022 B2Hexion Inc.
- Polymers, composites, and methods for making polymers and composites21 Mar 2017US 9,598,580 B2Hexion Inc.
- Processes to produce short-cut microfibers3 Nov 2015US 9,175,440 B2Eastman Chemical Company
- Processes to produce short cut microfibers9 Dec 2014US 8,906,200 B2Eastman Chemical Company
- Processes to produce short cut microfibers11 Nov 2014US 8,882,963 B2Eastman Chemical Company
- Polymers, composites, and methods for making polymers and composites18 Oct 2018US 2018/0298137 A9Hexion Inc.
- Covering layers for elastic laminate that comprise a separate surface coating17 Aug 2017US 2017/0233953 A1Metall-Chemie Technologies GmbH
- Polymers, composites, and methods for making polymers and composites8 Jun 2017US 2017/0158799 A1Hexion Inc.
- Polymers, composites, and methods for making polymers and composites17 Sep 2015US 2015/0259534 A1Hexion Inc.
- Processes to produce short-cut microfibers8 Jan 2015US 2015/0007955 A1Eastman Chemical Company
Most cited
By later US patents
- Process for the production of paper87US 5,127,994 AEka Nobel AB · 1992
- Sulfopolyesters for paper strength and process46US 8,512,519 B2Eastman Chemical Company · 2013
- Processes to produce short cut microfibers32US 8,871,052 B2Eastman Chemical Company · 2014
- Processes to produce short-cut microfibers31US 9,175,440 B2Eastman Chemical Company · 2015
- Processes to produce short cut microfibers30US 8,906,200 B2Eastman Chemical Company · 2014