Fuji Standard Research, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4772378 Process for thermal cracking of heavy oilExpiredJun 23, 87Sep 20, 88[C10G]
4675098 Process for thermal cracking of heavy oilExpiredJun 20, 84Jun 23, 87[C10G]
4668378 Process for thermal cracking of heavy oilExpiredJun 20, 84May 26, 87[C10G]
4663021 Process of producing carbonaceous pitchExpiredJan 03, 86May 05, 87[C10G, C10C]
4663022 Process for the production of carbonaceous pitchExpiredJan 03, 86May 05, 87[C01G, C10C]
4624807 Process for producing microspherical, oil-containing carbonaceous particlesExpiredJul 26, 83Nov 25, 86[B29B]
4591424 Method of preparing carbonaceous pitchExpiredMay 17, 84May 27, 86[C10C]
4581124 Process for thermally cracking heavy hydrocarbon oilExpiredJun 24, 85Apr 08, 86[C10G]
4554148 Process for the preparation of carbon fibersExpiredMay 17, 84Nov 19, 85[D01F]
4522627 Process for producing oil-containing, microspherical carbonaceous particlesExpiredDec 06, 82Jun 11, 85[C10L]
4504455 Carbonaceous pitch, process for the preparation thereof and use thereof to make carbon fibersExpiredFeb 07, 84Mar 12, 85[C10C]
4487686 Process of thermally cracking heavy hydrocarbon oilsExpiredFeb 24, 84Dec 11, 84[C10G]
4477334 Thermal cracking of heavy hydrocarbon oilsExpiredFeb 24, 84Oct 16, 84[C10G]
4472265 Dormant mesophase pitchExpiredDec 10, 81Sep 18, 84[C10C, D01F]

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