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:
Nov. 23, 2021
Filed:
Jan. 14, 2020
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Gangwei Sun, Shanghai, CN;
Mohamed Esseghir, Lawrenceville, NJ (US);
Xianmin Xu, Shanghai, CN;
Chester J. Kmiec, Phillipsburg, NJ (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 9/10 (2006.01); C08L 23/06 (2006.01); C08J 9/00 (2006.01); B29C 48/285 (2019.01); H01B 3/44 (2006.01); C08K 3/26 (2006.01); C08K 5/092 (2006.01); C08K 5/098 (2006.01); C08K 5/23 (2006.01); C08L 23/26 (2006.01); B29C 48/40 (2019.01);
U.S. Cl.
CPC ...
C08L 23/06 (2013.01); B29C 48/2886 (2019.02); C08J 9/0023 (2013.01); C08J 9/0028 (2013.01); C08J 9/0052 (2013.01); C08J 9/0061 (2013.01); C08J 9/103 (2013.01); C08K 3/26 (2013.01); C08K 5/092 (2013.01); C08K 5/098 (2013.01); C08K 5/23 (2013.01); C08L 23/26 (2013.01); H01B 3/441 (2013.01); B29C 48/40 (2019.02); C08J 2205/04 (2013.01); C08J 2323/06 (2013.01); C08J 2423/06 (2013.01); C08K 2003/262 (2013.01); C08L 2203/14 (2013.01); C08L 2205/025 (2013.01); C08L 2207/062 (2013.01); C08L 2207/066 (2013.01);
Abstract
A process of foaming a polyolefin, e.g., polyethylene, composition using as a nucleator a combination of (A) azodicarbonamide, and (B) a mixture of (1) a first component consisting of at least one of citric acid and an alkali metal citrate, and (2) a second component consisting of at least one of an alkali metal citrate, a di-alkali metal hydrogen citrate, an alkali metal dihydrogen citrate and an alkali metal bicarbonate, with the proviso that the mixture is not solely composed of alkali metal citrate.