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:
Jun. 19, 1984
Filed:
Dec. 21, 1981
Applicant:
Inventors:
Kiyoshi Nara, Kyoto, JP;
Kazuyoshi Katamoto, Suita, JP;
Sadao Ohkido, Nakano, JP;
Isao Yamamoto, Chiba, JP;
Hiroshi Yanome, Matsudo, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424246 ; 544 30 ; 544 16 ;
Abstract
The present invention relates to a method for concentrating a dilute aqueous solution of a .beta.-lactam antibiotic which is readily susceptible to heat, by subjecting a dilute aqueous solution of a .beta.-lactam antibiotic, said solution containing 2 to 20% (v/v) of a lower alcohol, to concentration by means of a permeable membrane made of poly(ether/amide) or polybenzimidazolone.
Nara, Kiyoshi. (1984). Method for concentrating .beta.-lactam antibiotic solution (U.S. Patent No. 4455306). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4455306
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile