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. 29, 2008
Filed:
Mar. 23, 2006
Applicant:
Daniel Thibaut, Blotzheim, FR;
Inventor:
Daniel Thibaut, Blotzheim, FR;
Assignee:
Ciba Specialty Chemicals Corp., Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/105 (2006.01); C08L 29/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to aqueous dispersions for solid phenolic antioxidants, wherein the antioxidants are dispersed in the aqueous phase with polyvinyl alcohol as dispersing agent. The invention also relates to a process, which comprises stabilising a polymer material against oxidative, thermal or light-induced degradation by adding to the polymer the aqueous dispersion.