Nova Patents
US2943979A

Concentrated foam-producing spermicides

Abstract

This record has no abstract on file.

Term

Term ended

Expired 5 July 1977, 49.2 years ago.

  1. Priority and filed
  2. Granted
  3. Expired
  4. Today

Every citation, both ways

Citations
DocumentRelationOfficeCited during
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WO03045350A3Cited byWorld Intellectual Property Organization (WIPO)International search
WO03045350A2Cited byWorld Intellectual Property Organization (WIPO)International search
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EP0027731A3Cited byEuropean Patent Office (EPO)Search report
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EP0027731A2Cited byEuropean Patent Office (EPO)Search report
US4145408ACited byUnited States of AmericaSearch report
US4310510ACited byUnited States of AmericaSearch report
US4317454ACited byUnited States of AmericaSearch report
US2008193489A1Cited byUnited States of AmericaPre-grant
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