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Priority claimed from US06/721,746external-prioritypatent/US4644074A/en
Priority claimed from US06/721,823external-prioritypatent/US4612055A/en
Priority claimed from US06/721,822external-prioritypatent/US4588771A/en
Application filed by Wacker Chemie GmbhfiledCriticalWacker Chemie Gmbh
Priority claimed from EP19860104760external-prioritypatent/EP0197540B1/de
Application grantedgrantedCritical
Publication of ATE69459T1publicationCriticalpatent/ATE69459T1/de