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:
Mar. 21, 1989
Filed:
Jul. 07, 1986
Naoji Kurata, Nishinomiya, JP;
Yoshio Sugita, Chiba, JP;
Keiji Kobayashi, Chiba, JP;
Atsushi Kawano, Chiba, JP;
Nihon Joryu Kogyo Co., Ltd, Osaka, JP;
Nippon Shokubai Kagaku Kogyo Co., Ltd., Osaka, JP;
Abstract
A polyoxyalkylene carbazole adduct represented by the following formula I: ##STR1## wherein R stands for at least one member selected from the group consisting of H, CH.sub.3 and C.sub.6 H.sub.5, R' for at least one member selected from the group consisting of CH.sub.3, C.sub.6 H.sub.5 and H, (providing that R' is at least one member selected from the group consisting of CH.sub.3 and C.sub.6 H.sub.5 when R is H, and R is at least one member selected from the group consisting of CH.sub.3 and C.sub.6 H.sub.5 when R' is H), n for an integer of the value of 0 to 500, m for an integer of the value of 0 to 500, and n+m for an integer of the value of 2 to 1000.