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公开(公告)号:US3536794A
公开(公告)日:1970-10-27
申请号:US3536794D
申请日:1967-05-08
Applicant: DU PONT
Inventor: STEVENSON HALSEY B
CPC classification number: G03G5/16 , Y10S264/58
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公开(公告)号:US3144468A
公开(公告)日:1964-08-11
申请号:US15144661
申请日:1961-11-10
Applicant: DU PONT
Inventor: HOOVER FRED W , STEVENSON HALSEY B
IPC: C07C265/04 , C07C271/16 , C08G2/00
CPC classification number: C07C271/16 , C07C265/00
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公开(公告)号:US2636804A
公开(公告)日:1953-04-28
申请号:US14253850
申请日:1950-02-04
Applicant: DU PONT
Inventor: MCCLELLAN WILLIAM R , STEVENSON HALSEY B
IPC: D06M13/127
CPC classification number: D06M13/127 , Y10S8/10
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4.
公开(公告)号:US2870196A
公开(公告)日:1959-01-20
申请号:US40241054
申请日:1954-01-05
Applicant: DU PONT
Inventor: BARNEY ARTHUR L , STEVENSON HALSEY B
IPC: C07C69/602
CPC classification number: C07C69/602
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公开(公告)号:US2636803A
公开(公告)日:1953-04-28
申请号:US14253750
申请日:1950-02-04
Applicant: DU PONT
Inventor: CLINE EDWARD T , STEVENSON HALSEY B
IPC: D06M13/12 , D06M13/127
CPC classification number: D06M13/12 , D06M13/127 , Y10S8/10
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公开(公告)号:US2388676A
公开(公告)日:1945-11-13
申请号:US42654042
申请日:1942-01-12
Applicant: DU PONT
Inventor: COFFMAN DONALD D , STEVENSON HALSEY B
IPC: C08L77/00
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7.Water-resistant polyvinyl alcohol filament and process for producing same 失效
Title translation: 耐水聚乙烯醇丝及其制造方法公开(公告)号:US2610360A
公开(公告)日:1952-09-16
申请号:US15763450
申请日:1950-04-22
Applicant: DU PONT
Inventor: CLINE EDWARD T , PINKNEY PAUL S , PLAMBECK JR LOUIS , STEVENSON HALSEY B
IPC: D01F6/14
CPC classification number: D01F6/14 , Y10S8/10 , Y10S264/73
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8.Partially hydrolyzed interpolymers of acrylonitrile with vinyl esters and products therefrom 失效
Title translation: 丙烯腈与乙烯基酯及其产物的部分水解互聚物公开(公告)号:US2566255A
公开(公告)日:1951-08-28
申请号:US66260846
申请日:1946-04-16
Applicant: DU PONT
Inventor: SMITH ALBERT F , STEVENSON HALSEY B
IPC: C08F8/12
CPC classification number: C08F8/12 , C08F2810/20 , C08F220/44 , C08F218/08 , C08F8/44
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9.Composition and process for cleaning and pickling ferrous metals 失效
Title translation: 黑色金属清洗和酸洗的组成和工艺公开(公告)号:US2383681A
公开(公告)日:1945-08-28
申请号:US45797842
申请日:1942-09-11
Applicant: DU PONT
Inventor: PINKNEY PAUL S , STEVENSON HALSEY B
IPC: C23G1/06
CPC classification number: C23G1/065
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10.Method of improving filaments of hydrolyzed olefin/vinyl organic ester interpolymers 失效
Title translation: 改进水解烯烃/乙烯基有机酯互聚物长丝的方法公开(公告)号:US2411474A
公开(公告)日:1946-11-19
申请号:US55923144
申请日:1944-10-18
Applicant: DU PONT
Inventor: STEVENSON HALSEY B
IPC: D01F6/04
CPC classification number: D01F6/04
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