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:
Sep. 08, 2009
Filed:
Feb. 23, 2006
Akira Yoshitomo, Wakayama, JP;
Tatsuya Iwai, Wakayama, JP;
Akira Yoshitomo, Wakayama, JP;
Tatsuya Iwai, Wakayama, JP;
Honshu Chemical Industry Co., Ltd., Tokyo, JP;
Abstract
Provide a new bis-(hydroxybenzaldehyde) compound, as well as a new polynuclear polyphenol compound derived therefrom, suitable for use as component materials for photosensitive resist compositions, component materials and hardeners for epoxy resins, developers and anti-fading agents used in thermosensitive recording materials, bactericides, fungicides, antioxidants and other functional chemical products or component materials thereof, wherein such bis-(hydroxybenzaldehyde) compound is produced by reacting in the presence of trihalogenated acetic acid catalyst or phosphoric acid catalyst a 2,6-di(hydroxymethyl)-4-alkylphenol with a hydroxybenzaldehyde expressed by general formula (14).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile