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. 30, 2024
Filed:
Nov. 22, 2021
Applicant:
B.g. Negev Technologies and Applications Ltd., AT Ben-gurion University, Beer-Sheva, IL;
Inventors:
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C08K 9/06 (2006.01); C08K 9/12 (2006.01); C08J 5/18 (2006.01); C08K 9/04 (2006.01); C08K 3/36 (2006.01); C08K 5/3475 (2006.01); C08K 5/132 (2006.01);
U.S. Cl.
CPC ...
C08K 9/06 (2013.01); C08J 5/18 (2013.01); C08K 9/04 (2013.01); C08K 9/12 (2013.01); C08J 2323/06 (2013.01); C08J 2323/08 (2013.01); C08J 2323/12 (2013.01); C08K 3/36 (2013.01); C08K 5/132 (2013.01); C08K 5/3475 (2013.01);
Abstract
The invention provides ultraviolet light absorber suitable for use as an additive in polymers, comprising particles of inorganic oxide having UV light-absorbing compound on their surface, wherein said UV light-absorbing compound is chemically bonded, either to a spacer provided on the surface of said particle, or directly to the surface of the particle. Process for preparing the additive absorber and a thermoplastic polymer (e.g., a film) comprising the absorber additive are also provided.