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.:
Date of Patent:
Jul. 07, 2026
Filed:
Jan. 17, 2023
Eneos Corporation, Tokyo, JP;
Bridgestone Corporation, Tokyo, JP;
Masahide Kobayashi, Tokyo, JP;
Naoko Urushizako, Tokyo, JP;
Rina Iwamoto, Tokyo, JP;
Ryoji Ida, Tokyo, JP;
Masahiro Hojo, Tokyo, JP;
Seiichi Tahara, Tokyo, JP;
Akira Okuno, Tokyo, JP;
Marino Kuno Itoda, Tokyo, JP;
ENEOS CORPORATION, Tokyo, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
Provided is a method for producing chemical products and carbides, including: a pyrolysis step of obtaining a first gas fraction, a pyrolysis oil, and a residual fraction by pyrolysis of a crushed material of waste tires; a carbide recovery step of recovering a carbide from the residual fraction; a hydrogenolysis step of obtaining a second gas fraction, a light fraction, and a heavy fraction by hydrogenolysis of a raw material oil containing at least a part of the pyrolysis oil; and a steam-cracking step of obtaining a chemical product and a raw material for producing a carbide by steam cracking of a steam-cracking raw material oil containing at least a part of the light fraction.