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Polyurethane elastomer for heart assist devices

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08G-018/48   
미국특허분류(USC) 528/79 ; 264/311 ; 264/328.6 ; 528/65 ; 528/76 ; 623/3 ; 623/66
출원번호 US-0854274 (1977-11-23)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Kenway & Jenney
인용정보 피인용 횟수 : 62  인용 특허 : 1
초록

Rubbery reaction products of an aliphatic organic diisocyanate, a high molecular weight polyether polyol (poly tetra methylene ether glycol), a low molecular weight glycol chain extender and a polyhydic alcohol crossliker such as trimethylol propane. The resulting polymers have improved thromboresistant properties and a long flexural life.Bladders for heart pumps may be formed from the resulting polymer, and a novel process for forming bladders for heart pumps is disclosed.

대표청구항이 없습니다

이 특허에 인용된 특허 (1)

  1. Nishibayashi Yoshifumi (Sen-nan JA) Shimizu Atsushi (Takaishi JA) Shiga Yasuhiro (Osaka JA) Okabe Kenji (Sen-nan JA) Baba Ken-ichi (Sen-nan JA). Process for producing artificial leather. USP1976023939021.

이 특허를 인용한 특허 피인용횟수: 62

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  22. Kuzma, Petr; Quandt, Harry. Implantable device for the delivery of risperidone and methods of use thereof. USP2015079078900.
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  60. Schimmel Karl F. (Verona PA) Seiner Jerome A. (Pittsburgh PA) Dowbenko Rostyslaw (Gibsonia PA) Christenson Roger M. (Gibsonia PA). Urethane rheology modifiers substantially free of terminal hydrophobic groups and compositions containing same. USP1982064337184.
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