Y10S 524/909
Reverse osmosis membrane compositions
Official title: Reverse osmosis membrane compositions, e.g. desalinization
Y10S524/909 (Reverse osmosis membrane compositions) appears on 10 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 10
- Published applications
- 0
- Assignees
- 8
- Inventors
- 22
- Latest grant
- 30 Apr 1996
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Desalination process30 Apr 1996US 5,512,176 ASaudi Basic Industries Corporation
- Desalination process11 Oct 1994US 5,354,835 ASaudi Basic Industries Corporation
- Preparation of permselective composite membrane7 Apr 1981US 4,260,652 ATeijin Limited
- Polymeric piperazinamides and membranes for reverse osmosis made therefrom31 Oct 1978US 4,123,424 AMontedison S.p.A.
- Product2 Aug 1977US 4,039,499 AThe Standard Oil Company
No published applications in this class yet.
Most cited
By later US patents
- Permselective polymeric membranes of organic polyamide or polyhydrazide38US 3,993,625 AToray Industries, Inc. · 1976
- Desalination process31US 5,354,835 ASaudi Basic Industries Corporation · 1994
- Permselective polymeric membrane prepared from polybenzimidazoles26US 3,951,920 ATeijin Limited · 1976
- Desalination process18US 5,512,176 ASaudi Basic Industries Corporation · 1996
- Process for forming hollow fibers13US 3,940,469 AThe Standard Oil Company · 1976