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:
Sep. 12, 1995
Filed:
Dec. 27, 1994
Skippy H Ramsey, Fenton, MO (US);
Monsanto Company, St. Louis, MO (US);
Abstract
There is disclosed a process for preparing polysuccinimide by thermal condensation of L-aspartic acid to produce polysuccinimide wherein the L-aspartic acid is exposed to an atmosphere in excess of about 350.degree. C. and to a temperature in the range of from about 350.degree. C. to about 400.degree. C. for a period of time of from about 6 to about 15 minutes. Under such conditions, at least about 90% conversion of the L-aspartic acid is provided. The polysuccinimide may be hydrolysed to provide polyaspartic acid by conventional hydrolysis under basic conditions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile