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. 25, 1997
Filed:
Oct. 13, 1993
Shigekazu Matsumoto, Osaka, JP;
Takao Yanagisawa, Osaka, JP;
Hakkol Chemical Co., Ltd., Osaka, JP;
Abstract
A novel organic white pigment which can be applied to an organic white pigment composition useful as a paper coating agent or an aqueous or oily ink or paint is provided. This organic white pigment consists of an alkylene-bismelamine derivative, represented by the following general formula (I), ##STR1## wherein R is a hydrogen atom or a lower alkyl group containing 1 to 4 carbon atoms or alicyclic group, R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are respectively same or different hydrogen atoms or lower alkyl groups containing 1 to 4 carbon atoms, R.sub.1, and R.sub.2, or R.sub.3, and R.sub.4 may respectively form heterocyclic groups with nitrogen atoms and X is a lower alkylene group containing 2 to 3 carbon atoms.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile