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Class Information
Number: 502/408
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Solid sorbent > Silicon containing > Acid treated
Description: Composition in which the silicon material is contacted with a proton donor.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4804422 |
Method of purifying quartz sand |
Feb. 14, 1989 |
| 4803188 |
Heterogeneous catalyst containing silicon dioxide |
Feb. 7, 1989 |
| 4734226 |
Method for refining glyceride oils using acid-treated amorphous silica |
Mar. 29, 1988 |
| 4656150 |
Treatment of sericitic clays to produce an adsorbent, absorbent product |
Apr. 7, 1987 |
| 4624800 |
Method for producing aqueous, low-alkali metal, low-alumina silica sols |
Nov. 25, 1986 |
| 4565794 |
Production of silica gel and an adsorbent, absorbent product from sericitic clay |
Jan. 21, 1986 |
| RE31267 |
Method for the containment of oils and oil sludges |
Jun. 7, 1983 |
| 4241035 |
Synthetic imogolite |
Dec. 23, 1980 |
| 4017425 |
Method of activation of red mud |
Apr. 12, 1977 |
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