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. 03, 1981
Filed:
Apr. 14, 1980
Applicant:
Inventors:
Larry L Bradford, Lake Jackson, TX (US);
David R Jordan, Lake Jackson, TX (US);
Kenneth W Williams, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
264 51 ; 264216 ; 264D / ; 425 89 ; 425224 ; 4258 / ;
Abstract
In the preparation of polyurethane foam by the provision of foamable urethane composition to a trough and subsequent overflow of the trough to a conveyor belt for final foaming and curing of the urethane composition, improved product is obtained by maintaining temperature uniformity laterally across the trough.