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:
Mar. 06, 1979
Filed:
Sep. 29, 1977
Applicant:
Inventors:
Mats V Stromblad, Uddevalla, SE;
Bo T Idstrom, Stenungsund, SE;
Assignee:
Berol Kemi AB, Stenungsund, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521174 ; 521905 ;
Abstract
A process is provided for the preparation of soft hydrophilic polyurethane foam using a polyether polyol mixture having a high proportion of primary alcohol groups and a selected ratio of polyisocyanate to polyol.
Stromblad, Mats. (1979). Process for the preparation of polyurethane foam (U.S. Patent No. 4143004). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4143004
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile