U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Process for the reprocessing of carbon containing wastes

Patent 4982027 Issued on January 1, 1991. Estimated Expiration Date: Icon_subject January 26, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1251954

1864687

1959467

2220624

2551579

3223698

3704108

Liquefaction of solid carbonaceous materials
Patent #: 4089773
Issued on: 05/16/1978
Inventor: Espenscheid

Method for treatment of rubber and plastic wastes
Patent #: 4108730
Issued on: 08/22/1978
Inventor: Chen ,   et al.

Liquefaction of solid organic wastes
Patent #: 4145188
Issued on: 03/20/1979
Inventor: Espenscheid ,   et al.

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Inventors

Assignee

Application

No. 303028 filed on 01/26/1989

US Classes:

585/241, From synthetic resin or rubber208/13, TREATMENT OF REFINING SLUDGE208/179, Purifying used oil208/412, Plural hydrogenation steps208/413, Solid catalyst in at least one step585/240, PRODUCTION OF HYDROCARBON MIXTURE FROM REFUSE OR VEGETATION585/242From wood

Examiners

Primary: Myers, Helane

Foreign Patent References

  • 1100532 CA 05/12/1981
  • 0157339 EP. 10/12/1985
  • 2162436 DE. 06/12/1972
  • 2258341 DE. 06/12/1973
  • 2721290 DE 11/12/1978
  • 2930032 DE 01/12/1981
  • 2089831 GB 06/12/1982
  • 2106128 GB. 04/12/1983

International Class

C10G 067/06

Foreign Application Priority Data

1986-01-24 DE

Abstract

This invention relates to an improved process for the reprocessing of carbon containing wastes by pretreating the same thermally in the presence or absence of hydrogen, followed by hydrogenation of the pretreated material at elevated temperature and at least 200 bar hydrogen pressure.

Other References

  • "Hydrogenation of Waste Tires", Rubber Age, Wolk et al., Jun. 1974, pp. 27-38
  • "Die Katalytische Druckhydrierung von Kohlen, Teeren und Mineralolen" (Catalytic Pressure Hydrogenation of Coal, Tar and Mineral Oil), Kronig, Springer Verlag; 1950, pp. 15-1
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