SANKO GAS CHEMICAL CO., LTD.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Dec 20, 1988 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 59 Total Citation Count
- Jan 09, 1978 Earliest Filing
- 8 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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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Expired/Abandoned/Withdrawn Patents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
4792389 Process to produce light products and fuel oils for conventional use from heavy metal- and sulfur-rich crude oil residuesExpiredMay 01, 87Dec 20, 88[C10G]
4443328 Method for continuous thermal cracking of heavy petroleum oilExpiredJun 01, 82Apr 17, 84[C10G]
4344837 Process for the dehydration and liquefaction of water-containing coalExpiredMar 30, 81Aug 17, 82[C10G]
4202756 Process for the production of solvent-refined coal useful as starting material for other carbonaceous productsExpiredJan 09, 78May 13, 80[C10G]
Top Inventors for This Owner
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