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:
Jan. 07, 1997
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Assignee:
Sekisui Chemical Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; G01N / ; G01N / ;
U.S. Cl.
CPC ...
435-732 ; 436518 ; 436519 ; 436520 ; 436521 ; 436523 ; 436528 ; 436533 ; 436829 ; 435-71 ; 435-72 ; 435961 ; 435962 ;
Abstract
A process for preparing a purified syphilis antigen which comprises adsorbing an extract originated from Treponemda pallidum on a hydroxyapatite gel, followed by elution, while an aqueous medium is used.