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.

Date of Patent:
Jun. 04, 2024

Filed:

Oct. 26, 2021
Applicant:

Holcim Technology Ltd., Zug, CH;

Inventors:

John Letts, Carmel, IN (US);

Chunhua Yao, Carmel, IN (US);

Michael Hubbard, Goshen, IN (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/00 (2006.01); B32B 5/20 (2006.01); B32B 37/15 (2006.01); C08G 18/08 (2006.01); C08G 18/42 (2006.01); C08G 18/76 (2006.01); C08J 9/14 (2006.01);
U.S. Cl.
CPC ...
C08J 9/0023 (2013.01); B32B 5/20 (2013.01); B32B 37/15 (2013.01); C08G 18/14 (2013.01); C08G 18/42 (2013.01); C08G 18/7671 (2013.01); C08J 9/141 (2013.01); C08J 9/142 (2013.01); C08J 9/149 (2013.01); B32B 2266/0278 (2013.01); B32B 2266/08 (2013.01); B32B 2419/00 (2013.01); C08J 2201/022 (2013.01); C08J 2203/12 (2013.01); C08J 2203/14 (2013.01); C08J 2203/182 (2013.01); C08J 2205/052 (2013.01); C08J 2205/10 (2013.01); C08J 2207/00 (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 blowing agent that includes a pentane and a blowing agent additive that has a Hansen Solubility Parameter (δ) 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.


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