Takasago Perfumery Co., Ltd.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 04, 1992 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 570 Total Citation Count
- Jul 23, 1976 Earliest Filing
- 36 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4751163 1,1,4,4-tetraphenyl-1,3-butadiene derivative and electrophotographic light-sensitive material using the sameExpiredJun 05, 87Jun 14, 88[C07D, G03G]
4705895 5,5'-diamino or 5,5'-diacetamido-2,2'-bis(diphenylphosphino)-1,1'-binaphthylsExpiredNov 21, 86Nov 10, 87[C07F]
4564708 Optical resolution of the racemic modification of 2,2'-bis(diphenylphosphino)-1,1'-binaphthyldioxideExpiredFeb 23, 84Jan 14, 86[C07F]
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