You don't need the product names or old records. No fee unless we recover compensation for your family.
Gunter Doring, Klaus Kahle and Dietmar Schneider received US Patent No. 3,684,650 on August 15, 1972, filed November 13, 1969. It was assigned to Klombinat Kali Veb.
The patent's abstract:
MINERAL FIBER BOARDS ARE PRODUCED BY DIGESTING A MIXTURE OF ASBESTOS, A MAGNESA BINDING AGENT SUCH AS MAGNESIA, MINERAL WOOL, AND WATER WHEREIN THE WEIGHT RATIO OF ASBESTOS TO MINERAL WOOL IS FROM 1:4 TO 1:2.5 AND THE WEIGHT RATIO OF THE BINDER CALCULATED AS MGO TO THE ASBESTOS IS NO LESS THAN 1:4. THE DIGESTION IS CARRIED OUT FOR A PERIOD OF TIME SUCH THAT THE BENDING STRENGTH OF THE MINERAL FIBER BOARD IS AT A MAXIMUM; THE MIXTURE IS THEN MADE INTO A SHEET BY DRAINING AND SUCTION.
- Author
- Gunter Doring; Klaus Kahle; Dietmar Schneider
- Published by
- US Patent Office
- Series
- US Patent No. 3,684,650
- Date
- August 15, 1972
- Library no.
- ACL Doc 23039 · asbestosclaims.law/library/23039
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 244 KB
Where it was listed
- Asbestos, February 1973, in its patents department (the year's issues)
Cite this document
Gunter Doring, Klaus Kahle, Dietmar Schneider. “Method for the production of mineral fiber boards,containing mineral wool (US Patent 3,684,650, 1972).” August 15, 1972. US Patent No. 3,684,650. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23039. https://asbestosclaims.law/library/23039.
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.
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.