C01B 33/1525
From or via fluosilicic acid or salts thereof
Official title: {from or via fluosilicic acid or salts thereof}
C01B33/1525 (From or via fluosilicic acid or salts thereof) appears on 3 US grants and 0 published applications in this corpus.
Search patents in C01B- Granted patents
- 3
- Published applications
- 0
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 7 Mar 1978
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for preparing calcium fluoride from hexafluoro silicic acid and production of silicic acid gel or active silicic acid from said calcium fluoride7 Mar 1978US 4,078,043 AKali-Chemie Aktiengesellschaft
- Process for preparing calcium fluoride from hexafluoro silicic acid21 Jun 1977US 4,031,193 AKali-Chemie Aktiengesellschaft
- Process for treating sodium silico fluoride6 Jul 1976US 3,968,197 AOnoda Chemical Industry Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Process for preparing calcium fluoride from hexafluoro silicic acid5US 4,031,193 AKali-Chemie Aktiengesellschaft · 1977
- Process for treating sodium silico fluoride3US 3,968,197 AOnoda Chemical Industry Co., Ltd. · 1976
- Process for preparing calcium fluoride from hexafluoro silicic acid and production of silicic acid gel or active silicic acid from said calcium fluoride3US 4,078,043 AKali-Chemie Aktiengesellschaft · 1978