Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai
Patent
1990-04-13
1991-07-02
Naff, David M.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Carbohydrate doai
514 54, 623 1, 623 11, 623 12, 128DIG8, A61K 3712, A61K 31725, A61F 204
Patent
active
050285971
ABSTRACT:
An antithrombogenic material is described, comprising an expanded polytetrafluoroethylene base having a collagen layer provided on the surface thereof, and further provided thereon a composite layer of collagen and a mucopolysaccharide, and said collagen is crosslinked with a crosslinking agent.
REFERENCES:
patent: 4350629 (1982-09-01), Yannas et al.
patent: 4448718 (1984-05-01), Yannas et al.
patent: 4678468 (1987-07-01), Hiroyoshi
European Search Report.
Asako Shigeru
Kodama Makoto
Komamiya Masaharu
Oinuma Hiroshi
Okita Koichi
Agency of Industrial Science and Technology
Naff David M.
Sumitomo Electric Industries Ltd.
Watanabe Pharmaceutical Industry Co., Ltd.
Witz Jean C.
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