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 US06/128,413external-prioritypatent/US4302313A/en
Priority claimed from US06/142,942external-prioritypatent/US4271119A/en
Application filed by Eastman Kodak CompanyfiledCriticalEastman Kodak Company
Priority claimed from EP19800302502external-prioritypatent/EP0023157B1/de
Application grantedgrantedCritical
Publication of ATE4433T1publicationCriticalpatent/ATE4433T1/de