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Philipp Jager received US Patent No. 3,597,514 on August 3, 1971, filed March 18, 1968. It was assigned to Siemens Corp.
The patent's abstract:
DESCRIBED IS A METHOD OF PRODUCING POROUS ASBESTOS SHEETS AND ASBESTOS DIAPHRAGMS FREE OF BONDING AGENTS. THE METHOD IS CHARACTERIZED IN THAT ASBESTOS FIBERS ARE FIRST PRETREATED WITH ALKALINE LYES AND ARE SBSEQUENTLY TEMPERED AT TEMPERATURES OF 300 TO 700*C.
- Author
- Philipp Jager
- Published by
- US Patent Office
- Series
- US Patent No. 3,597,514
- Date
- August 3, 1971
- Library no.
- ACL Doc 23032 · asbestosclaims.law/library/23032
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 174 KB
Where it was listed
- Asbestos, December 1971, in its patents department (the year's issues)
Cite this document
Philipp Jager. “Method for producing porous sheets,particularly diaphragms,of asbestos free of bonding agents (US Patent 3,597,514, 1971).” August 3, 1971. US Patent No. 3,597,514. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23032. https://asbestosclaims.law/library/23032.
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