United States Patent 3067745
Inventors:
Burgeni, Alfred A.
Simkevich, John C.
Publication Date:
12/11/1962
Assignee:
JOHNSON & JOHNSON
Other Classes:
604/904, 604/369, 210/500.100, 8/120, 604/376, 424/431
International Classes:
B01J20/28
Foreign References:
| GB725055A | | | | |
| GB727631A | | | | |
| GB748135A | | | | |