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. 22, 1993
Filed:
Oct. 02, 1992
Applicant:
Inventors:
Mark E Bosworth, Chesterfield, MO (US);
Thomas J Dunn, Cedar Hill, MO (US);
Warren E Hall, St. Louis, MO (US);
Richard G Johnson, Chesterfield, MO (US);
Mills T Kneller, University City, MO (US);
Youlin Lin, Chesterfield, MO (US);
Rebecca A Wallace, Manchester, MO (US);
David H White, Ballwin, MO (US);
David M Wong, Chesterfield, MO (US);
Assignee:
Mallinckrodt Medical, Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210651 ; 210652 ; 210653 ; 210654 ; 210 0038 ; 210490 ; 210644 ; 210650 ; 424-11 ; 424-9 ; 424-5 ; 514-8 ; 564153 ;
Abstract
The use of reverse osmosis as an alternative or substitute method for the purification of a crude diagnostic agent. X-ray contrast agent, magnetic resonance imaging agent, or radiopharmaceuticals are purified by passing through a cross-linked reverse osmosis membrane.