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31.
公开(公告)号:US2895790A
公开(公告)日:1959-07-21
申请号:US49916655
申请日:1955-04-04
Applicant: BRITISH CELANESE
Inventor: JACQUES BROWN RUSSELL , JOHN DOWNING
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32.Manufacture of textile and other materials having a basis of cellulose triacetate 失效
Title translation: 制造以三醋酸纤维为基础的纺织品和其他材料公开(公告)号:US2880106A
公开(公告)日:1959-03-31
申请号:US63319457
申请日:1957-01-09
Applicant: BRITISH CELANESE
Inventor: GEORGE HAWTIN SELWYN , JOHN DOWNING
IPC: D01F2/28
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公开(公告)号:US2825625A
公开(公告)日:1958-03-04
申请号:US52237455
申请日:1955-07-15
Applicant: BRITISH CELANESE
Inventor: BRENTNALL HILL FRANK , JOHN DOWNING
IPC: D01F2/28
CPC classification number: D01F2/28
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公开(公告)号:US2781243A
公开(公告)日:1957-02-12
申请号:US23166351
申请日:1951-06-14
Applicant: BRITISH CELANESE
Inventor: JOHN DOWNING , ARTHUR HODGE , NAPIER DREWITT JAMES GORDON
IPC: C08J3/09
CPC classification number: C08J3/091 , C08J2333/20
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35.Manufacture of filamentary material from copolymers of acrylonitrile and vinylidene chloride 失效
Title translation: 从丙烯腈和偏二氯乙烯的共聚物制造丝状材料公开(公告)号:US2775507A
公开(公告)日:1956-12-25
申请号:US32716952
申请日:1952-12-20
Applicant: BRITISH CELANESE
Inventor: JOHN DOWNING , NAPIER DREWITT JAMES GORDON
IPC: D01F6/10
CPC classification number: D01F6/32
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36.Production and use of solutions of partly hydrolysed acrylonitrile polymers 失效
Title translation: 生产和使用部分水解丙烯腈聚合物的溶液公开(公告)号:US2721113A
公开(公告)日:1955-10-18
申请号:US33111553
申请日:1953-01-13
Applicant: BRITISH CELANESE
Inventor: JOHN DOWNING , ARTHUR HODGE , NAPIER DREWITT JAMES GERDON
IPC: C08F8/00
CPC classification number: C08F8/00 , C08F8/12 , C08F120/44
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37.
公开(公告)号:US2721112A
公开(公告)日:1955-10-18
申请号:US23166551
申请日:1951-06-14
Applicant: BRITISH CELANESE
Inventor: JOHN DOWNING , ARTHUR HODGE , NAPIER DREWITT JAMES GORDON
IPC: C08J3/09
CPC classification number: C08J3/095 , C08J2333/20
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38.Solutions of acrylonitrile polymers in solvent mixtures comprising a dihydric phenol and a dicarboxylic acid or anhydride 失效
Title translation: 丙烯腈聚合物在包含二元酚和二羧酸或酸酐的溶剂混合物中的溶液公开(公告)号:US2706185A
公开(公告)日:1955-04-12
申请号:US27251752
申请日:1952-02-19
Applicant: BRITISH CELANESE
Inventor: JAN KOWOLIK ERNEST , JOHN DOWNING , NAPIER DREWITT JAMES GORDON
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公开(公告)号:US2648635A
公开(公告)日:1953-08-11
申请号:US11491449
申请日:1949-09-09
Applicant: BRITISH CELANESE
Inventor: JACQUES BROWN RUSSELL , JOHN DOWNING , HENRY GROOMBRIDGE WALTER
IPC: C11D17/04
CPC classification number: C11D17/049
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40.Treatment of fibrous cellulose derivatives to render them more easily powdered 失效
Title translation: 纤维状纤维素衍生物的处理使其更容易粉化公开(公告)号:US2618018A
公开(公告)日:1952-11-18
申请号:US11491149
申请日:1949-09-09
Applicant: BRITISH CELANESE
Inventor: JOHN DOWNING , NAPIER DREWITT JAMES GORDON
IPC: C08B11/20
CPC classification number: C08B11/20
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