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Nelson D. Burkholder, Jr. received US Patent No. 3,959,569 on May 25, 1976, filed August 2, 1974. It was assigned to Dow Chemical Co.
The patent's abstract:
Water-absorbent articles are prepared by contacting a fibrous material with a dry granular or powdered water-swellable gel and steaming the mixture. Adherence of the gel is improved by pretreatment of the fibrous base with a cationic polymer such as polyethylenimine. Fabrics or fluffs coated with particulate gels such as crosslinked partially hydrolyzed polyacrylamide are useful in various applications where it is desirable to hold or absorb an aqueous fluid in a particular location.
- Author
- Nelson D. Burkholder, Jr.
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 3,959,569
- Date
- May 25, 1976
- Library no.
- ACL Doc 23401 · asbestosclaims.law/library/23401
- Rights
- US government work, in the public domain.
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Where it was listed
- Barry Castleman, Asbestos: Medical and Legal Aspects (5th edition, 2005)
Cited by Barry Castleman
In Asbestos: Medical and Legal Aspects (5th edition, 2005), which cites it in:
- Chapter 5 (Asbestos Product Use), p. 353
Cited on this site
Cite this document
Nelson D. Burkholder, Jr. “Preparation of water-absorbent articles (US Patent 3,959,569, 1976).” May 25, 1976. US Patent No. 3,959,569. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23401. https://asbestosclaims.law/library/23401.
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