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. 01, 2025
Filed:
Jan. 04, 2022
Applicant:
Holcim Technology Ltd, Zug, CH;
Inventors:
John B. Letts, Carmel, IN (US);
Chunhua Yao, Carmel, IN (US);
Assignee:
Holcim Technology Ltd, Zug, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/40 (2006.01); B29C 44/14 (2006.01); C08G 18/42 (2006.01); C08G 18/48 (2006.01); C08G 18/76 (2006.01); C08G 65/26 (2006.01); C08J 9/12 (2006.01); C08J 9/14 (2006.01); C08K 5/00 (2006.01); E04B 1/80 (2006.01); B29K 75/00 (2006.01); B29L 7/00 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
B29C 44/14 (2013.01); C08G 18/4208 (2013.01); C08J 9/141 (2013.01); C08K 5/0008 (2013.01); E04B 1/80 (2013.01); B29K 2075/00 (2013.01); B29L 2007/002 (2013.01); B29L 2009/00 (2013.01); C08J 2203/14 (2013.01); C08J 2375/06 (2013.01);
Abstract
A process for producing a polyurethane or polyisocyanurate construction board, the process comprising (i) providing an A-side reactant stream that includes an isocyanate-containing compound; (ii) providing a B-side reactant stream that includes a polyol, where the B-side reactant stream includes a fluorinated additive and a blowing agent that includes a pentane and a blowing agent additive that has a Hansen Solubility Parameter (St) that is greater than 17 MPa; and (iii) mixing the A-side reactant stream with the B-side reactant stream to produce a reaction mixture.