The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 22, 1998

Filed:

Dec. 13, 1996
Applicant:
Inventors:

Winfried Grafen, Duisburg, DE;

Bernd Edenhofer, Kleve, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
148222 ;
Abstract

A method for plasma carburization of metal workpieces in a furnace includes the step of introducing a mixture of propane and methane into the furnace atmosphere. The propane and methane mixture is cleaved under process conditions of plasma carburization to release pure carbon into the furnace atmosphere.


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Grafen, Winfried. (1998). Method for plasma carburization of metal workpieces (U.S. Patent No. 5851314). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5851314

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