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:
Oct. 06, 1981
Filed:
Jan. 21, 1980
Applicant:
Inventors:
Elliot M Haschke, Lake Jackson, TX (US);
Bennie J Lewis, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ; B08B / ; B08B / ;
U.S. Cl.
CPC ...
134 11 ; 134 / ; 134 31 ; 134 38 ;
Abstract
A method of removing acrylic acid polymer from processing vessels, e.g., distillation towers, which comprises contacting said polymer with a dialkyl phthalate in vapor or liquid form at elevated temperatures. This procedure dissolves and depolymerizes the polymer and removes it from the vessel.
Quick Actions:
Haschke, Elliot. (1981). Process for depolymerization of acrylic acid polymers (U.S. Patent No. 4293347). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4293347
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile