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:
Feb. 16, 1993
Filed:
Mar. 12, 1990
Applicant:
Inventors:
Assignee:
Nippon Mining Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ; C07C / ;
U.S. Cl.
CPC ...
208135 ; 208136 ; 208138 ; 585419 ; 585420 ; 585800 ;
Abstract
A high aromatic-content solvent having a boiling point range of 185.degree.-245.degree. C. and a mixed aniline point of not higher than 21.degree. C. is produced by reforming a petroleum fraction containing at least 50% by volume of components having a boiling point range of 150.degree.-215.degree. C. and then subjecting to a fractional distillation.
Maruyama, Fumio. (1993). Method of producing high aromatic-content solvents (U.S. Patent No. 5186816). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5186816
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile