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:
Sep. 05, 2023

Filed:

Nov. 07, 2018
Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Giuseppe Vairo, Correggio, IT;

Elena Ferrari, Correggio, IT;

Luigi Bertucelli, Correggio, IT;

Alberto Fangareggi, Correggio, IT;

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/18 (2006.01); B32B 5/20 (2006.01); B32B 5/22 (2006.01); B32B 5/24 (2006.01); B32B 5/28 (2006.01); B32B 5/32 (2006.01); B32B 7/02 (2019.01); B32B 7/12 (2006.01); E04B 1/76 (2006.01); E04B 1/80 (2006.01); B29C 44/24 (2006.01); B29C 44/30 (2006.01); B29C 44/32 (2006.01); B32B 5/02 (2006.01); B32B 9/00 (2006.01); B32B 7/022 (2019.01); B32B 7/027 (2019.01); B32B 27/06 (2006.01); B32B 27/40 (2006.01); B32B 3/26 (2006.01); B32B 3/06 (2006.01); B32B 27/12 (2006.01); B29K 105/04 (2006.01); B29C 44/46 (2006.01); B29K 75/00 (2006.01); C08G 71/02 (2006.01);
U.S. Cl.
CPC ...
B32B 7/02 (2013.01); B29C 44/24 (2013.01); B29C 44/30 (2013.01); B29C 44/321 (2016.11); B29C 44/326 (2013.01); B32B 3/26 (2013.01); B32B 5/022 (2013.01); B32B 5/18 (2013.01); B32B 5/20 (2013.01); B32B 5/22 (2013.01); B32B 5/245 (2013.01); B32B 5/32 (2013.01); B32B 7/022 (2019.01); B32B 7/027 (2019.01); B32B 7/12 (2013.01); B32B 9/002 (2013.01); B32B 27/065 (2013.01); B32B 27/40 (2013.01); E04B 1/762 (2013.01); E04B 1/7625 (2013.01); E04B 1/80 (2013.01); E04B 1/806 (2013.01); B29C 44/46 (2013.01); B29K 2075/00 (2013.01); B29K 2105/045 (2013.01); B29K 2105/046 (2013.01); B29K 2713/005 (2013.01); B29K 2713/02 (2013.01); B29K 2995/0015 (2013.01); B29K 2995/0017 (2013.01); B29K 2995/0063 (2013.01); B29K 2995/0096 (2013.01); B32B 3/06 (2013.01); B32B 5/028 (2013.01); B32B 27/12 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/04 (2013.01); B32B 2250/05 (2013.01); B32B 2250/40 (2013.01); B32B 2255/10 (2013.01); B32B 2260/021 (2013.01); B32B 2260/023 (2013.01); B32B 2260/04 (2013.01); B32B 2262/101 (2013.01); B32B 2266/0278 (2013.01); B32B 2266/06 (2013.01); B32B 2266/08 (2013.01); B32B 2305/022 (2013.01); B32B 2305/38 (2013.01); B32B 2307/302 (2013.01); B32B 2307/304 (2013.01); B32B 2307/536 (2013.01); B32B 2307/72 (2013.01); B32B 2375/00 (2013.01); B32B 2419/00 (2013.01); C08G 71/02 (2013.01); C08G 2110/005 (2021.01); C08G 2110/0016 (2021.01); C08G 2110/0025 (2021.01); C08G 2110/0058 (2021.01); C08G 2110/0083 (2021.01); C08G 2330/00 (2013.01); E04B 2103/04 (2013.01); Y10T 428/2495 (2015.01); Y10T 428/24942 (2015.01); Y10T 428/24967 (2015.01); Y10T 428/24992 (2015.01); Y10T 428/249976 (2015.04); Y10T 428/249977 (2015.04); Y10T 428/249986 (2015.04); Y10T 442/649 (2015.04); Y10T 442/651 (2015.04); Y10T 442/652 (2015.04);
Abstract

External thermal insulation composite systems described herein include a concrete or masonry wall and a multilayer thermal insulation board disposed on the concrete or masonry wall. The multilayer thermal insulation board includes at least one closed cell foam layer comprising polyurethane and polyisocyanurate having an open cell volume of less than 20% by volume according to ASTM D 6226 and at least one open cell foam layer comprising polyurethane and polyisocyanurate having an open cell volume of greater than 80% by volume according to ASTM D 6226.


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