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:
Dec. 06, 1988
Filed:
Jul. 10, 1987
Applicant:
Inventors:
Assignee:
BASF Aktiengesellschaft, Rheinland-Pfalz, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ; C07D / ; D06P / ;
U.S. Cl.
CPC ...
8442 ; 8490 ; 8583 ; 8607 ; 8610 ; 8922 ; 560103 ; 560105 ; 560107 ; 560111 ;
Abstract
Textile polyester material is dyed with disperse dyes in the presence of specific benzophenone derivatives, some of which are novel, to improve the light fastness.
Neumann, Peter. (1988). Benzophenone ether esters and use thereof to improve the light fastness (U.S. Patent No. 4789382). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4789382
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile