Hirai; Hidefumi
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Apr 18, 2000 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 62 Total Citation Count
- Mar 08, 1984 Earliest Filing
- 6 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6051614 Method for preparing a non-aqueous dispersion of particles of a metal and/or a metal compoundExpiredDec 28, 92Apr 18, 00[B01F, B01D]
4864071 Process for separation of unsaturated hydrocarbon from gas mixtureExpiredSep 04, 87Sep 05, 89[C07C]
4747855 Solid absorbent for unsaturated hydrocarbon and process for separation of unsaturated hydrocarbon from gas mixtureExpiredJan 21, 87May 31, 88[B01D]
4675309 Adsorbent for use in selective gas adsorption-separation and a process for producing the sameExpiredApr 21, 86Jun 23, 87[C07C, B01J, B01D]
4546094 Solid adsorbent for unsaturated hydrocarbon and process for separation of unsaturated hydrocarbon from gas mixtureExpiredMar 08, 84Oct 08, 85[C07C, B01J, B01D]
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