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:
Aug. 04, 1992
Filed:
Nov. 29, 1990
Applicant:
Inventors:
Assignees:
Daicel Chemical Industries, Ltd., Sakai, JP;
Tanabe Seiyaku Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C08C / ; C07H / ;
U.S. Cl.
CPC ...
536187 ; 536-41 ; 536123 ; 210651 ; 210654 ; 21050038 ; 21050037 ; 514119 ;
Abstract
A phosphopolyol compound, such as pyrogens, is separated from a solution to be used in the pharmaceutical field by bringing the solution into contact with a porous adsorbent which has a pore size of 1 nm to 20 microns and comprises a base material and a functional chain group of an aliphatic amine having a chain length of 2 to 50, bonded to the base material.