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公开(公告)号：US2481307A
公开(公告)日：1949-09-06
申请号：US74097447
申请日：1947-04-11
Applicant: SHELL DEV
Inventor： JAMES GARNER PHILIP , GORDON CROFT-WHITE PETER
CPC classification number: G03B1/42 , C07C65/05 , C07C65/10 , C08K5/0091 , C08K5/138 , C08L19/006 , C08L27/06 , C08L57/08
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