Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/209,620external-prioritypatent/US4954338A/en
Application filed by Rohm & HaasfiledCriticalRohm & Haas
Application grantedgrantedCritical
Publication of ATE98089T1publicationCriticalpatent/ATE98089T1/de