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:
Sep. 06, 2005
Filed:
Aug. 07, 2003
James Charles Bohling, Lansdale, PA (US);
Marlin Kenneth Kinzey, Philadelphia, PA (US);
John Joseph Maikner, Zionsville, PA (US);
William Joseph Zabrodski, Lansdale, PA (US);
James Charles Bohling, Lansdale, PA (US);
Marlin Kenneth Kinzey, Philadelphia, PA (US);
John Joseph Maikner, Zionsville, PA (US);
William Joseph Zabrodski, Lansdale, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
A method for functionalizing a crosslinked polymer bead. The method comprises the steps of: (a) swelling the bead in a first solvent or solvent mixture to a volume from 200% to 310% of its volume when dry; and (b) contacting the bead with a functionalizing reagent in a second solvent or solvent mixture capable of swelling the bead to a volume from 200% to 310% of its volume when dry.