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公开(公告)号:US2531328A
公开(公告)日:1950-11-21
申请号:US3635648
申请日:1948-07-01
Applicant: CALIFORNIA RESEARCH CORP
Inventor: ELWELL WILLIAM E
IPC: C07C5/373
CPC classification number: C07C5/373 , C07C13/465
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公开(公告)号:US2482056A
公开(公告)日:1949-09-13
申请号:US60024445
申请日:1945-06-19
Applicant: CALIFORNIA RESEARCH CORP
Inventor: ELWELL WILLIAM E , SNOW ALVAH L
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13.Plastic compositions and process of making the same from an unsaturated ketone and an unsaturated nitrile 失效
Title translation: 塑料组合物及其制备方法由不饱和酮和不饱和腈制成公开(公告)号:US2451435A
公开(公告)日:1948-10-12
申请号:US59890445
申请日:1945-06-11
Applicant: CALIFORNIA RESEARCH CORP
Inventor: ELWELL WILLIAM E , MEIER RICHARD L
IPC: C08F16/36
CPC classification number: C08F16/36
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公开(公告)号:US2442645A
公开(公告)日:1948-06-01
申请号:US65902546
申请日:1946-04-02
Applicant: CALIFORNIA RESEARCH CORP
Inventor: ELWELL WILLIAM E , MEIER RICHARD L
IPC: C08F10/00
CPC classification number: C08F10/00 , Y10S585/901 , C08F4/12
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15.Process of separating vinyl xylenes from ethyl xylenes and other products 失效
Title translation: 从乙基二甲苯和其他产物中分离乙烯基二甲苯的方法公开(公告)号:US2607720A
公开(公告)日:1952-08-19
申请号:US3635748
申请日:1948-07-01
Applicant: CALIFORNIA RESEARCH CORP
Inventor: ELWELL WILLIAM E , CHILDRESS JR HERMAN L
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16.
公开(公告)号:US2563826A
公开(公告)日:1951-08-14
申请号:US78550047
申请日:1947-11-12
Applicant: CALIFORNIA RESEARCH CORP
Inventor: ELWELL WILLIAM E , CASTRO ALBERT J
IPC: C07C2/68
CPC classification number: C07C2/68 , C07C2527/126 , C07C15/02
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17.Process of separating the 3, 5-dimethyl 1-ethyl benzene from other ethyl xylenes 失效
Title translation: 从其他乙基二甲苯中分离出3,5-二甲基1-乙基苯的方法公开(公告)号:US2541959A
公开(公告)日:1951-02-13
申请号:US3635948
申请日:1948-07-01
Applicant: CALIFORNIA RESEARCH CORP
Inventor: ELWELL WILLIAM E
IPC: C07C7/171
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公开(公告)号:US2531327A
公开(公告)日:1950-11-21
申请号:US3635548
申请日:1948-07-01
Applicant: CALIFORNIA RESEARCH CORP
Inventor: ELWELL WILLIAM E
IPC: C07C5/333
CPC classification number: C07C5/3332 , Y10S585/952 , C07C15/46
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19.
公开(公告)号:US2500307A
公开(公告)日:1950-03-14
申请号:US73961247
申请日:1947-04-05
Applicant: CALIFORNIA RESEARCH CORP
Inventor: BROOKE LLOYD F , ELWELL WILLIAM E , MEIER RICHARD L
IPC: C07C2/18
CPC classification number: C07C2/18 , C07C2527/173
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公开(公告)号:US2442644A
公开(公告)日:1948-06-01
申请号:US65902446
申请日:1946-04-02
Applicant: CALIFORNIA RESEARCH CORP
Inventor: ELWELL WILLIAM E , MEIER RICHARD L
IPC: C08F10/00
CPC classification number: C08F10/00 , Y10S585/945 , Y10S585/952 , C08F4/12
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