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Manufacture of insoluble and only slightly water-swellable polymers of N-vinyl lactams of improved adsorptivity 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08F-126/06
  • C08F-226/06
  • C08F-226/10
  • C08F-126/10
출원번호 US-0593761 (1975-07-07)
우선권정보 DT-2437629 (1974-08-05)
발명자 / 주소
  • Denzinger Walter (Speyer DT) Hofmann Ernst (Ludwigshafen DT) Herrle Karl (Ludwigshafen DT)
출원인 / 주소
  • BASF Aktiengesellschaft (Ludwigshafen (Rhine) DT 03)
인용정보 피인용 횟수 : 49  인용 특허 : 0

초록

Manufacture of insoluble polyvinyl lactams by polymerization in the absence of oxygen and in the presence of sulfur compounds having a functionality of less than 6.

대표청구항 ▼

A process for the manufacture of insoluble and only slightly swellable homopolymers of an N-vinyl lactam or copolymers of two or more vinyl lactams selected from the group consisting of N-vinyl pyrrolidone, N-vinyl caprolactam and N-vinyl piperidone which comprises: polymerizing the vinyl lactam or

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  25. Chromecek Richard C. (Macedon NY) Friends Gary D. (Ontario NY) Wissman Lawrence Y. (Rochester NY) Yourd ; III Raymond A. (Rochester NY), N-Vinyl lactam based biomedical devices.
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