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:
Oct. 29, 2002
Filed:
Sep. 19, 2001
Applicant:
Inventor:
Grace Y. Chan, North Ryde, AU;
Assignee:
Gradipore Limited, Frenchs Forest, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 6/00 ;
U.S. Cl.
CPC ...
C08F 6/00 ;
Abstract
A method for drying a polyacrylamide gel, the method comprising contacting the gel with an aqueous solution of a polyhydoxy alcohol other than a polyhydroxy alcohol having at least 3 vicinal hydroxy groups and drying the gel. Examples of suitable polyhydroxy alcohols include 1,2-ethane diol, 1,2-propane diol, 1,3-propane diol, 1,4-butane diol, 1,6 hexane diol, alkyl triol, 1,2,6-trihydroxy hexane, trimethylol propane and pentaerythritol. The gel may be dried between two cellophane sheets positioned in a drying frame arrangement.