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.)
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Publication date
Priority claimed from US07/011,771external-prioritypatent/US4731190A/en
Priority claimed from PCT/US1988/000278external-prioritypatent/WO1988005809A1/en
Application filed by Gaf CorpfiledCriticalGaf Corp
Publication of DK560188D0publicationCriticalpatent/DK560188D0/en
Publication of DK560188ApublicationCriticalpatent/DK560188A/en