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公开(公告)号:US2615477A
公开(公告)日:1952-10-28
申请号:US1573048
申请日:1948-03-18
Applicant: AMERICAN VISCOSE CORP
Inventor: CRAWLEY WILLIAM P
IPC: B01D39/08
CPC classification number: B01D39/083 , B01D39/1623 , B01D2239/065 , B01D2239/0654 , B01D2239/0681 , B01D2239/086 , Y10S55/45
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公开(公告)号:US2906473A
公开(公告)日:1959-09-29
申请号:US41209754
申请日:1954-02-23
Applicant: AMERICAN VISCOSE CORP
Inventor: CRAWLEY WILLIAM P
IPC: B65H75/18
CPC classification number: B65H75/18 , B65H2701/31
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公开(公告)号:US2529541A
公开(公告)日:1950-11-14
申请号:US70779346
申请日:1946-11-05
Applicant: AMERICAN VISCOSE CORP
Inventor: CRAWLEY WILLIAM P
IPC: D04B17/00
CPC classification number: D04B17/00
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公开(公告)号:US2844860A
公开(公告)日:1958-07-29
申请号:US48803355
申请日:1955-02-14
Applicant: AMERICAN VISCOSE CORP
Inventor: AYARS EDWARD M , CRAWLEY WILLIAM P , CORNWELL RICHARD E
IPC: D02H13/00
CPC classification number: D02H13/00
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公开(公告)号:US2825119A
公开(公告)日:1958-03-04
申请号:US47790554
申请日:1954-12-27
Applicant: AMERICAN VISCOSE CORP
Inventor: HEFFELFINGER ROBERT D , CRAWLEY WILLIAM P
IPC: D03D51/00
CPC classification number: D02H13/04 , D03D2700/26
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