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Angelo P. Ruffo and Prashant K. Goyal received US Patent No. 4,018,646 on April 19, 1977, filed October 29, 1975. It was assigned to Johnson and Johnson.
The patent's abstract:
A novel web that can be produced by the process of the present invention is comprised of two different types of fibers, with the web characterized by having a predominance of one fiber type at one of its major faces, and a predominance of the other fiber type at the other of its major faces. The web includes a transition between the faces in which the predominance of the fibers decreases uniformly away from the face at which they predominate.
- Author
- Angelo P. Ruffo; Prashant K. Goyal
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 4,018,646
- Date
- April 19, 1977
- Library no.
- ACL Doc 23240 · asbestosclaims.law/library/23240
- 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
Angelo P. Ruffo, Prashant K. Goyal. “Nonwoven fabric (US Patent 4,018,646, 1977).” April 19, 1977. US Patent No. 4,018,646. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23240. https://asbestosclaims.law/library/23240.
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