United States Patent 3305319
Inventors:
Kowalick, James F.
Perkins, William E.
Publication Date:
02/21/1967
Assignee:
Kowalick, James F.
Perkins, William E.
Other Classes:
422/208, 102/530, 62/4, 422/242, 102/704
International Classes:
B01J7/00; C06D5/00; C09K5/00; F42B3/04; F42B3/00