Chiyoda Chemical Engineering & Construction Co., Ltd.
Patent Owner
Stats
- 4 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 14, 1992 most recent publication
Details
- 4 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,222 Total Citation Count
- Jul 29, 1977 Earliest Filing
- 58 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
RE31036 Catalysts for demetallization treatment of hydrocarbons supported on sepioliteNov 25, 80Sep 21, 82[B01J]
RE31037 Catalysts for demetallization treatment of hydrocarbons supported on sepioliteNov 25, 80Sep 21, 82[B01J]
RE31038 Catalysts for demetallization treatment of hydrocarbons supported on sepioliteNov 25, 80Sep 21, 82[B01J]
RE31039 Catalysts for demetallization treatment of hydrocarbons supported on sepioliteNov 25, 80Sep 21, 82[B01J]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4957868 Cylindrical hollow carriers for microorganisms made of nonwoven fabricExpiredAug 31, 88Sep 18, 90[C12N, C12M]
4956326 Method for dehalogenation of a halide and catalyst used thereforExpiredJul 10, 87Sep 11, 90[B01J]
4765960 Apparatus for installing pipe in multipipe type gas-liquid contact equipmentExpiredMay 28, 85Aug 23, 88[B01T]
4739180 Method and apparatus for generating electric energy using hydrogen storage alloyExpiredMar 17, 87Apr 19, 88[F01K]
4645506 Hip joint endoprosthesis with a stem to be anchored in the femurExpiredJun 22, 84Feb 24, 87[A61F]
4600076 Device for attenuating pulsation of fluids in piping systemsExpiredOct 16, 84Jul 15, 86[F16L]
4565546 Condensation product and use thereof as dispersant for pitch in water slurryExpiredJun 27, 84Jan 21, 86[C10L]
4530753 Method of converting heavy hydrocarbon oils into light hydrocarbon oilsExpiredJul 16, 84Jul 23, 85[C10G]
4530754 Process for the conversion of heavy hydrocarbon oils into light hydrocarbon oilsExpiredJul 16, 84Jul 23, 85[C10G]
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