Invention Grant
- Patent Title: Filter cigarettes
- Patent Title (中): 过滤香烟
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Application No.: US27105763Application Date: 1963-04-08
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Publication No.: US3224453APublication Date: 1965-12-21
- Inventor: MAHONEY WILLIAM R , ST PIERRE RICHARD E , DUNLAP DONALD T
- Applicant: CELANESE CORP
- Assignee: Celanese Corp
- Current Assignee: Celanese Corp
- Priority: US27105763 1963-04-08; US82004159 1959-06-12
- Main IPC: A24D3/02
- IPC: A24D3/02
Information query
