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. 28, 1978
Filed:
May. 09, 1977
Robert L Reierson, Midland, MI (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
High yields of the title adducts are obtained from an essentially salt-free process comprising contacting at subambient temperature cyclopentadiene or a substituted cyclopentadiene with an aliphatic or an inertly-substituted aliphatic ester of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid, such as methyl acrylate, in the presence of a catalytic amount of base, such as tri-n-butylmethylammonium hydroxide. A novel class of Diels-Alder adducts are readily obtained by warming these Michael adducts; polyester compositions comprising the Diels-Alder adducts demonstrate good physical properties.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile