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John F. Post received US Patent No. 4,069,191 on January 17, 1978, filed March 1, 1976.
The patent's abstract:
A metal patching method and composition wherein the method comprises mixing two components and then heating to cure the mixture, one of the components containing a diazo dye which changes color when the mixture is cured. The composition of one component includes a bisphenol A epoxy resin, a diazo dye and a flow controlling agent of the temperature insensitive type, and the second component includes a polyamide resin and a flow controlling agent of the temperature insensitive type.
- Author
- John F. Post
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,069,191
- Date
- January 17, 1978
- Library no.
- ACL Doc 22986 · asbestosclaims.law/library/22986
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 5 pages · 347 KB
Where it was listed
- Asbestos, April 1978, in its patents department (the year's issues)
Cite this document
John F. Post. “Metal patching composition and method (US Patent 4,069,191, 1978).” January 17, 1978. US Patent No. 4,069,191. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 22986. https://asbestosclaims.law/library/22986.
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