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Keizo Sano, Yoshimasa Nishida, Yoshio Kagiya, Michihiko Tanaka, Masatoshi Mineo: Fiber- and film-forming polyester composition. Toray, April 20, 1976: US03951905 (26 worldwide citation)

Fiber- and film-forming composition comprising a linear synthetic polyester together with antimony-containing particles, present in an amount of from 0.02 to 1.0% by weight of the composition. The content of elemental antimony in the antimony-containing particles is from 15 to 70% of the weight of t ...


2
Takehiko Miyoshi, Tadayuki Matsumoto, Keizo Sano: Polyester fiber and method for the production thereof. Toray, Austin R Miller, July 2, 1985: US04526738 (16 worldwide citation)

A polyester fiber having a tenacity of at least 4.0 g/d is formed from a copolyester having a degree of polymerization of from 80 to 100 of which copolyester 1.0 to 2.0 mol % of its acid component has a metal sulfoisophthalic group and 0.5 to 1.9 weight % of which copolyester is provided by a glycol ...


3
Tsuneyoshi Miwa, Shinji Nakazawa, Masaaki Itoga, Keizo Sano, Itaru Nakamura, Taigi Watanabe, Yasuhiko Shingu: Fiber and film forming polyester composition. Toray, Miller & Prestia, January 10, 1978: US04067855 (13 worldwide citation)

Polyester compositions suitable for fiber and film formation contain from 0.2 to 3.0% by weight of fine particles of uniform size and possess sufficient slippery tendency, appropriate opacity and crystallizing potential; said particles containing lithium and phosphorus as a lithium salt of a phospho ...


4
Takehiko Miyoshi, Tadayuki Matsumoto, Keizo Sano: Polyester fiber and method for the production thereof. Toray, Austin R Miller, August 30, 1988: USRE032741

A polyester fiber having a tenacity of at least 4.0 g/d is formed from a copolyester having a degree of polymerization of from 80 to 100 of which copolyester 1.0 to 2.0 mol % of its acid component has a metal sulfoisophthalic group and 0.5 to 1.9 weight % of which copolyester is provided by a glycol ...


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