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WM S MERRELL CO
WM S MERRE
Active Patents
0
Total Holdings
4
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US2446796A
Substituted pyridinium and piperidinium compounds
Expired / Lapsed
1946-02-04
1948-08-10
0
Details
US2436673A
Therapeutic peroxide composition
Expired / Lapsed
1944-05-11
1948-02-24
0
Details
US2295505A
Composition of matter
Expired / Lapsed
1939-08-02
1942-09-08
0
Details
US2295504A
Cetyl quaternary ammonium compound
Expired / Lapsed
1938-08-01
1942-09-08
0
Details