§
Luxuse
Patent Intelligence
Sign In
← Back to Companies

Silica Gel Corp

Silica Gel
Active Patents
0
Total Holdings
3

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US1868565A Process of preparing adsorbent materials Expired / Lapsed 1930-11-22 1932-07-26 0 Details
US1826112A Constant uniform delivery siphon Expired / Lapsed 1929-02-02 1931-10-06 0 Details
US1678298A Process for refining oils and waxes Expired / Lapsed 1922-03-16 1928-07-24 0 Details