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:
May. 04, 1976
Filed:
Sep. 16, 1974
Applicant:
Inventors:
Assignee:
Nippon Zeon Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2606 / ; 2606 / ; 2606839 ; 424358 ;
Abstract
A process for preparing a colorless, odorless and transparent polymer oil having a low number average molecular weight, iodine value and viscosity and a high flash point, characterized by copolymerizing a mixture of n-pentene-1 and at least one other chain pentene in specific quantitative ratios in a Friedel-Crafts type catalyst and then hydrogenating the thus obtained liquid copolymer to a certain extent, and the polymer oil prepared thereby.
Yamato, Motoyuki. (1976). Process for preparing polymer oils and polymer oils prepared thereby (U.S. Patent No. 3954897). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3954897
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile