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U.S. Patent 3,928,278, Azrak, Ancker and Bertolucci, Coupling Agents for Chrysotile Asbestos and Thermoplastic Polymers (1975)

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United States Patent 3,928,278, assigned to Union Carbide Corporation, filed Nov. 29, 1973 and issued Dec. 23, 1975. It discloses phenolic coupling agents, such as 2,6-dimethylol-4-t-butylphenol, for chrysotile asbestos-reinforced thermoplastic polymers. It gives tables of tensile, heat distortion and mold shrinkage test results, including samples made with Calidria-grade short-fiber chrysotile from the Coalinga region, and ends with 17 claims.

Author
Raymond George Azrak (Inventor, Whitehouse Station, NJ); Fred Harpoth Ancker (Inventor, Warren Township, NJ); Michael Dean Bertolucci (Inventor, Martinsville, NJ)
Published by
Union Carbide Corporation (assignee), New York, N.Y.; issued by the United States Patent Office
Series
Union Carbide documents, UC-4958
Date
December 23, 1975
Number
Bates UC-4958
Library no.
ACL Doc 19460 · asbestosclaims.law/library/19460
Rights
A document from asbestos litigation, published for research and historical study.

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Read online Download the PDF Document UC-4958 · 14 pages · 1.2 MB

People and organizations

From Raymond George Azrak (Inventor, Whitehouse Station, NJ); Fred Harpoth Ancker (Inventor, Warren Township, NJ); Michael Dean Bertolucci (Inventor, Martinsville, NJ).

Pages on our site about what this document covers: Calidria · Chrysotile: White Asbestos, the Most Common Type · Coalinga District.

About this copy

This is document UC-4958 of the Union Carbide documents, documents produced and used as evidence in asbestos lawsuits against Union Carbide, 14 pages. Production numbers UC-4958.

Cite this document

Raymond George Azrak (Inventor, Whitehouse Station, NJ), Fred Harpoth Ancker (Inventor, Warren Township, NJ), Michael Dean Bertolucci (Inventor, Martinsville, NJ). “U.S. Patent 3,928,278, Azrak, Ancker and Bertolucci, Coupling Agents for Chrysotile Asbestos and Thermoplastic Polymers.” December 23, 1975. Union Carbide documents, UC-4958, Bates UC-4958. Union Carbide Corporation (assignee), New York, N.Y.; issued by the United States Patent Office. AsbestosClaims.Law Library, ACL Doc 19460. https://asbestosclaims.law/library/19460.

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