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last 30 patents
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Patent Grant
High-tenacity water-soluble polyvinyl alcohol fiber and process for...
Patent number
5,208,104
Issue date
May 4, 1993
Toray Industries, Inc.
Fujio Ueda
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for producing ultra-high-tenacity polyvinyl alcohol fiber
Patent number
4,698,194
Issue date
Oct 6, 1987
Toray Industries, Inc.
Hiroyoshi Tanaka
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Ultra-high-tenacity polyvinyl alcohol fiber and process for produci...
Patent number
4,603,083
Issue date
Jul 29, 1986
Toray Industries, Inc.
Hiroyoshi Tanaka
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING