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Thomas F. Hart and Jr Ronald S. Wishart received US Patent No. 2,833,673 on May 6, 1958, filed March 25, 1954. It was assigned to Union Carbide Corp.
The patent's description opens (from the scanned text):
The invention is concerned with the provision of durable weather-resistant asbestos-cement structural articles, and more particularly it relates to a surface treatment for such articles, which imparts thereto increased resistance to blooming and improved water repellency.
- Author
- Thomas F. Hart; Jr Ronald S. Wishart
- Published by
- US Patent Office
- Series
- US Patent No. 2,833,673
- Date
- May 6, 1958
- Library no.
- ACL Doc 23847 · asbestosclaims.law/library/23847
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 3 pages · 307 KB
Where it was listed
- Asbestos, June 1958, in its patents department (the year's issues)
Cite this document
Thomas F. Hart, Jr Ronald S. Wishart. “Water-repellent asbestos-cement structural articles and method of making (US Patent 2,833,673, 1958).” May 6, 1958. US Patent No. 2,833,673. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23847. https://asbestosclaims.law/library/23847.
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