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:
Apr. 26, 1983
Filed:
Jan. 27, 1982
Applicant:
Inventors:
Ichiro Chibata, Suita, JP;
Tetsuya Tosa, Kyoto, JP;
Tadashi Sato, Takatsuki, JP;
Taizo Watanabe, Nagaokakyo, JP;
Satoshi Minobe, Osaka, JP;
Assignee:
Tanabe Seiyaku Co., Ltd., Osaka, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210679 ; 210692 ;
Abstract
A method for removing a pyrogen from a solution of a pyrogen-containing substance such as an amino acid, a nucleic acid base, an antibiotic, a hormone, a vitamin, an enzyme, an antibody or the like comprising contacting the solution with an adsorbent to adsorb the pyrogen, which is characterized in that the adsorbent comprises a water-insoluble carrier and a nitrogen-containing heterocyclic compound of the formula: