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Stein Hall and Co Inc

Stein Hall

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US4172055A	Mixture of hydroxypropylcellulose and poly(maleic anhydride…	Expired / Lapsed	1978-04-03	1979-10-23	17	Details
US2427594A	Irish moss food product	Expired / Lapsed	1943-02-01	1947-09-16	0	Details
US2325573A	Viscosity responsive apparatus	Expired / Lapsed	1938-11-26	1943-07-27	0	Details
US2310795A	Emulsion for treating textiles	Expired / Lapsed	1939-08-31	1943-02-09	0	Details
US2192219A	Sizing of cellulose ether and ester materials	Expired / Lapsed	1937-06-14	1940-03-05	0	Details