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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.

Patent No.:

US 4231857 B1

PDFFull Text
Date of Patent:
Nov. 04, 1980

Filed:

Jul. 05, 1979

Process for preparing petroleum-derived binder pitch

Applicant:
Inventors:

Osamu Kato, Yokohama, JP;

Seiichi Uemura, Kawasaki, JP;

Syunichi Yamamoto, Kawasaki, JP;

Takao Hirose, Kamakura, JP;

Hiroaki Takashima, Kawasaki, JP;

Assignee:

Nippon Oil Co., Ltd., Tokyo, JP;

Attorney:

Jordan and Hamburg

Primary Examiner:

Veronica O'Keefe

Int. Cl.
CPC ...
C10C / ;
U.S. Cl.
CPC ...
208 40 ; 208 22 ; 208 23 ; 208131 ;
Abstract

A process for the preparation of petroleum-derived binder pitch, comprising heat treating a mixture of both (1) a heavy fraction boiling at not lower than 200.degree. C. and being obtained by the steam cracking of petroleum such as naphtha and (2) a heavy fraction boiling at not lower than 200.degree. C. and being obtained by the catalytic cracking of petroleum such as gas oil.

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Kato, Osamu. (1980). Process for preparing petroleum-derived binder pitch (U.S. Patent No. 4231857). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4231857

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