No fee unless we recover compensation for your family Text size 833-4-ASBESTOS (833-427-2378) Free Case Review

U.S. Patent 3,471,438, S. Chwastiak, Asbestos Composition for Thickening Polyester Resins, assigned to Union Carbide (1969)

You don't need the product names or old records. No fee unless we recover compensation for your family.

Call 833-4-ASBESTOS Request a review

United States Patent No. 3,471,438, issued Oct. 7, 1969 to Stephen Chwastiak, assignor to Union Carbide Corporation, for an asbestos composition. It describes chrysotile asbestos given a precipitated siliceous outer layer, for use as a thickening agent and filler in polyester resins. The patent gives examples using Coalinga, Calif. High Purity Grade short fiber chrysotile, viscosity data compared with untreated asbestos and Cab-O-Sil, and three claims.

Author
Stephen Chwastiak (Inventor, St. Catherines, Ontario, Canada; assignor to Union Carbide Corporation)
Published by
United States Patent Office (patent assigned to Union Carbide Corporation)
Series
Union Carbide documents, UC-4959
Date
October 7, 1969
Number
Bates UC-4959
Library no.
ACL Doc 19461 · asbestosclaims.law/library/19461
Rights
A document from asbestos litigation, published for research and historical study.

Read or download

Read online Download the PDF Document UC-4959 · 5 pages · 358 KB

People and organizations

From Stephen Chwastiak (Inventor, St. Catherines, Ontario, Canada; assignor to Union Carbide Corporation).

Pages on our site about what this document covers: Calidria · California Asbestos Exposure Sites: Worksites, Industries, and Trust Coverage · Chrysotile: White Asbestos, the Most Common Type · Coalinga District.

About this copy

This is document UC-4959 of the Union Carbide documents, documents produced and used as evidence in asbestos lawsuits against Union Carbide, 5 pages. Production numbers UC-4959.

Cite this document

Stephen Chwastiak (Inventor, St. Catherines, Ontario, Canada, assignor to Union Carbide Corporation). “U.S. Patent 3,471,438, S. Chwastiak, Asbestos Composition for Thickening Polyester Resins, assigned to Union Carbide.” October 7, 1969. Union Carbide documents, UC-4959, Bates UC-4959. United States Patent Office (patent assigned to Union Carbide Corporation). AsbestosClaims.Law Library, ACL Doc 19461. https://asbestosclaims.law/library/19461.

ACL Doc numbers and their short links never change. See how to cite the Library.

Talk with an asbestos lawyer

Start with what you remember, and we'll take it from there.

Call 833-4-ASBESTOS Request a free case review

This page is provided for general informational purposes and does not constitute legal advice. Every asbestos case turns on its own facts, exposure history, diagnosis, deadlines, available evidence, and applicable law. Reviewing this page does not create an attorney-client relationship. For advice about your specific situation, call 833-4-ASBESTOS for a free case review.