发明授权
- 专利标题: Polymers of 2-vinyl-fluorenone and derivatives thereof
- 专利标题(中): 2-乙烯基芴酮及其衍生物的聚合物
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申请号: US627167申请日: 1975-10-30
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公开(公告)号: US4009151A公开(公告)日: 1977-02-22
- 发明人: James M. Pearson , John F. Yanus
- 申请人: James M. Pearson , John F. Yanus
- 申请人地址: CT Stamford
- 专利权人: Xerox Corporation
- 当前专利权人: Xerox Corporation
- 当前专利权人地址: CT Stamford
- 主分类号: C07C49/683
- IPC分类号: C07C49/683 ; C07C49/697 ; C08F112/32 ; H01B3/44 ; H01G4/18 ; C08G2/16 ; C08G2/18
摘要:
Disclosed is a composition of matter characterized by the structural formula: ##STR1## wherein R.sub.1 is hydrogen or methyl and R.sub.2, R.sub.3 and R.sub.4 are hydrogen, halogen or aliphatic groups containing 1 to 4 carbon atoms. Also disclosed are vinyl polymers of the above compounds.
公开/授权文献
- US5821522A Optical scanner with high speed zoom capability 公开/授权日:1998-10-13
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