Y10S 521/914
Polyurethane cellular product formed from a polyol which has been derived from
Official title: Polyurethane cellular product formed from a polyol which has been derived from at least two 1,2 epoxides as reactants
Y10S521/914 (Polyurethane cellular product formed from a polyol which has been derived from) appears on 131 US grants and 9 published applications in this corpus.
Search patents in Y10S- Granted patents
- 131
- Published applications
- 9
- Assignees
- 57
- Inventors
- 250
- Latest grant
- 26 Jul 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 14 | 0 |
| 1982 | 7 | 0 |
| 1983 | 12 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 3 |
| 2003 | 3 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cylindrical mouldings based on cellular polyurethane elastomers26 Jul 2011US 7,985,780 B2BASF SE
- Process for the preparation of polyether polyols10 Aug 2010US 7,772,330 B2Bayer MaterialScience AG
- Process for the preparation of polyether polyols16 Mar 2010US 7,678,729 B2Bayer MaterialScience AG
- Polyurethane elastomers11 Dec 2007US 7,307,136 B2Huntsman International LLC
- Viscoelastic polyurethanes4 Apr 2006US 7,022,746 B2Huntsman International LLC
- Process for the preparation of polyether polyols20 May 2010US 2010/0125126 A1Bayer MaterialScience AG
- Cylindrical Mouldings Based On Cellular Polyurethane Elastomers10 Jul 2008US 2008/0164112 A1BASF SE
- Process for the preparation of polyether polyols29 Nov 2007US 2007/0276099 A1Bayer Material Science AG
- Mulching process21 Apr 2005US 2005/0081767 A1Maxver S.R.L.
- Viscoelastic polyurethanes16 Dec 2004US 2004/0254256 A1Huntsman International LLC
Most cited
By later US patents
- Plant growth media utilizing polyurethane hydrogel113US 4,241,537 AW. R. Grace & Co. · 1980
- Hydrophilic urethane foam80US 5,650,450 AFoamex L.P. · 1997
- Novel compositions and process76US 4,385,133 AThe Upjohn Company · 1983
- Thermoplastic polyether polyurethane elastomers72US 4,190,711 AUnion Carbide Corporation · 1980
- Method of producing flexible reticulated polyether polyurethane foams71US 4,259,452 ABridgestone Tire Company Limited · 1981