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:
Jan. 31, 1978
Filed:
Mar. 02, 1977
Applicant:
Inventor:
Nobuo Yokoyama, Yokohama, JA;
Assignee:
Nippon Oil Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
2608 / ; 526 56 ; 526272 ; 260346 ; 260 74 ; 2605 / ;
Abstract
A process for the preparation of a modified polyolefin wax having improved hardness and gloss, which comprises reacting a waxy polyolefin with maleic anhydride to produce a maleinised polyolefin wax, reacting at 100.degree. - 180.degree. C the thus-produced maleinised wax with water in an amount of 2 - 80 parts by weight per 100 parts by weight of the maleic anhydride reacted with the waxy polyolefin and, if desired, distilling off from the reaction system an excess of the water remaining therein after the end of the hydrolytic reaction, at a temperature of 100.degree. - 180.degree. C under atmospheric or a reduced pressure.