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. 26, 2013
Filed:
Nov. 03, 2009
Rolf Roers, Odenthal, DE;
Hartmut Nefzger, Pulheim, DE;
Erika Bauer, Jüchen, DE;
Johannes Van DE Braak, Hennef, DE;
Torsten Heinemann, Leichlingen, DE;
Jürgen Schloβmacher, Bergheim, DE;
Rolf Roers, Odenthal, DE;
Hartmut Nefzger, Pulheim, DE;
Erika Bauer, Jüchen, DE;
Johannes Van De Braak, Hennef, DE;
Torsten Heinemann, Leichlingen, DE;
Jürgen Schloβmacher, Bergheim, DE;
Bayer MaterialScience AG, Leverkusen, DE;
Abstract
Polyester polyols are produced from at least one carboxylic acid hydride and diethylene glycol by a process in which the formation of 1,4-dioxane is suppressed. These polyester polyols are useful for producing polyurethane (PUR) and polyisocyanurate (PIR) foams and metal composite elements containing these PUR or PIR foams.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile