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:
May. 28, 1991
Filed:
Oct. 10, 1989
Ube Industries, Ltd., Ube, JP;
Abstract
A container in combination with a solution of phosphoenolpyruvic acid, the container comprising an outer bag comprising a polyvinyl chloride type resin and an inner bag comprising an alkali resistant resin, the inner bag having stored therein an aqueous solution of phosphoenolpyruvic acid or a salt thereof at a pH of 10 to 13. A method for storing an aqueous solution of phosphoenolpyruvic acid or a salt thereof at a pH of 10 to 13 in a container comprising an inner bag and an outer bag, the method comprising introducing and then storing an aqueous solution comprising phosphoenolpyruvic acid in the inner bag, the inner bag comprising an alkali resistant resin and the outer bag comprising a polyvinyl chloride type resin.