C01B 33/2823
From aqueous solutions of an alkali metal aluminate and an alkali metal
Official title: {from aqueous solutions of an alkali metal aluminate and an alkali metal silicate excluding any other source of alumina or silica}
C01B33/2823 (From aqueous solutions of an alkali metal aluminate and an alkali metal) appears on 34 US grants and 0 published applications in this corpus.
Search patents in C01B- Granted patents
- 34
- Published applications
- 0
- Assignees
- 23
- Inventors
- 51
- Latest grant
- 12 Dec 1995
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Preparation of crystalline 4A zeolites12 Dec 1995US 5,474,753 ALaviosa Rhone-Poulenc
- Process to obtain zeolite 4A starting from bauxite28 Mar 1995US 5,401,487 AForet S.A.
- Plastic compositions containing small particle size zeolites and mixtures19 Dec 1989US 4,888,378 AJ. M. Huber Corporation
- Preparation of zeolites 4A and/or 13X28 Apr 1987US 4,661,334 ARhone-Poulenc Chimie de Base
- Process for the manufacture of zeolites 4A having a high crystallinity and a fine granulometry and being particularly suitable for the formulation of detergent compositions10 Mar 1987US 4,649,036 AMontedison S.p.A.
No published applications in this class yet.
Most cited
By later US patents
- Production of high capacity inorganic crystalline base exchange materials41US 4,041,135 AJ. M. Huber Corporation · 1977
- Industrial process for continuous production of zeolite A27US 4,314,979 APCUK Produits Chimiques Ugine Kuhlmann · 1982
- Process for preparing a substantially crystalline sodium aluminosilicate18US 4,248,847 AKali-Chemie Aktiengesellschaft · 1981
- Preparation of zeolites18US 4,340,573 AW. R. Grace & Co. · 1982
- Zeolite A crystals of uniformly small particle size and the manufacture thereof16US 4,173,622 AFMC Corporation · 1979