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:
Feb. 20, 1990
Filed:
Dec. 27, 1982
Applicant:
Inventors:
Leonard J Calbo, Jr, Bethel, CT (US);
Lawrence V Gallacher, East Norwalk, CT (US);
Assignee:
King Industries, Inc., Norwalk, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560193 ; 528 79 ; 528 83 ; 528254 ; 528259 ; 560204 ;
Abstract
This invention relates to a linear, low-molecular-weight polyester-based polyol having terminal primary hydroxyl groups, low viscosity, high solids content and having the structural formula: ##STR1## where n is 1 or 2 and at least 70% by weight is n=1, and m=2-10, said polyol being substantially free of cyclohexane dimethanol.
Quick Actions:
Calbo, Jr, Leonard. (1990). Process for preparing linear, low molecular weight polyester-based polyol (U.S. Patent No. 4902821). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4902821
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile