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Petrocarbon Developments Limited
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Manchester, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Separation of hydrocarbon mixtures
Patent number
4,622,053
Issue date
Nov 11, 1986
Petrocarbon Developments Limited
Terence R. Tomlinson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of nitrogen from air
Patent number
4,496,383
Issue date
Jan 29, 1985
Petrocarbon Developments Limited
Colin Hubbard
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Separation of gas mixtures by partial condensation
Patent number
4,461,634
Issue date
Jul 24, 1984
Petrocarbon Developments Limited
Melvyn Duckett
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Producing power from a cryogenic liquid
Patent number
4,400,947
Issue date
Aug 30, 1983
Petrocarbon Developments Limited
Martin S. W. Ruhemann
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
Recovery of hydrogen from ammonia synthesis purge gas
Patent number
4,380,461
Issue date
Apr 19, 1983
Petrocarbon Developments Ltd.
Alan A. Haslam
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Process for the recovery of argon
Patent number
4,338,108
Issue date
Jul 6, 1982
Petrocarbon Developments Ltd.
Wieslaw H. Isalski
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Recovery of hydrogen and ammonia from purge gas
Patent number
4,266,957
Issue date
May 12, 1981
Petrocarbon Development Limited
Wieslaw H. Isalski
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Treatment of ammonia synthesis purge gas
Patent number
4,255,406
Issue date
Mar 10, 1981
Petrocarbon Developments Limited
Wieslaw H. Isalski
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Method and apparatus for separating gases
Patent number
RE29941
Issue date
Mar 20, 1979
Petrocarbon Developments Ltd.
Graham Bird
055 - Gas separation
Information
Patent Grant
Treatment of ammonia synthesis purge gas
Patent number
4,058,589
Issue date
Nov 15, 1977
Petrocarbon Developments Limited
Alan Alfred Haslam
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Producing gaseous fuels of high calorific value
Patent number
3,989,478
Issue date
Nov 2, 1976
Petrocarbon Developments Limited
James Kevin Jones
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Plural stage distillation with intermediate indirect heat exchange,...
Patent number
3,956,415
Issue date
May 11, 1976
Petrocarbon Developments Limited
Donald R. Cummings
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method and apparatus for separating gases
Patent number
3,944,400
Issue date
Mar 16, 1976
Petrocarbon Developments Limited
Graham Bird
C01 - INORGANIC CHEMISTRY
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last 30 patents
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