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:
Apr. 07, 2026
Filed:
Dec. 07, 2021
Applicant:
Sabic Global Technologies B.v., Bergen Op Zoom, NL;
Inventors:
Rob Boonman, Oosterhout, NL;
Tamara Marijke Eggenhuisen, Raamsdonksveer, NL;
Assignee:
SABIC GLOBAL TECHNOLOGIES B.V., Bergen Op Zoom, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/526 (2006.01); C08K 5/42 (2006.01);
U.S. Cl.
CPC ...
C08K 5/526 (2013.01); C08K 5/42 (2013.01); C08K 2201/014 (2013.01);
Abstract
A method for the manufacture of a polycarbonate composition having a Yellowness Index of less than 2.0 is disclosed. The composition contains i) a polymer component including aromatic polycarbonate and ii) a bis(2,4-dicumylphenyl)pentaerythritol diphosphite component wherein the bis(2,4-dicumylphenyl)pentaerythritol diphosphite component consists of bis(2,4-dicumylphenyl)pentaerythritol diphosphite, contaminants and/or degradation products derived from bis(2,4-dicumylphenyl)pentaerythritol diphosphite.