Inventor
OFSTEAD RONALD F
US23 patents
⚠️ This page may combine multiple inventors who share the name “OFSTEAD RONALD F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
15 patentsUS4977901ADec 18, 1990
Article having non-crosslinked crystallized polymer coatings
MINNESOTA MINING & MFG483 citations99
US4771089ASep 13, 1988
Polymer blends with high water absorption
MINNESOTA MINING & MFG70 citations96
US4693939ASep 15, 1987
Article coated with copolymer of poly(vinyl alcohol)
MINNESOTA MINING & MFG53 citations96
US4921884AMay 1, 1990
Hydroxy-substituted polymeric shaped hydrogel article
MINNESOTA MINING & MFG31 citations92
US4859719AAug 22, 1989
Polymer blends with high water absorption
MINNESOTA MINING & MFG33 citations92
US4786446ANov 22, 1988
Process of forming a hydroxy-substitute polymeric shaped article
MINNESOTA MINING & MFG25 citations92
US4673539AJun 16, 1987
Process for thermoformed articles
MINNESOTA MINING & MFG34 citations92
US4618649AOct 21, 1986
Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
MINNESOTA MINING & MFG34 citations92
US4528325AJul 9, 1985
Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
MINNESOTA MINING & MFG27 citations92
US4009313AFeb 22, 1977
Enzymatically dispersible non-woven webs
MINNESOTA MINING & MFG113 citations92
US5188688AFeb 23, 1993
Method of sealing a gelatin capsule
MINNESOTA MINING & MFG38 citations89
US4694037ASep 15, 1987
Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
MINNESOTA MINING & MFG21 citations82
US4921908AMay 1, 1990
Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
MINNESOTA MINING & MFG15 citations74
US4840992AJun 20, 1989
Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
MINNESOTA MINING & MFG12 citations74
US4780514AOct 25, 1988
Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
MINNESOTA MINING & MFG6 citations74
SURMODICS INC
5 patentsUS7309593B2Dec 18, 2007
Attachment of molecules to surfaces
SURMODICS INC69 citations98
US7097850B2Aug 29, 2006
Bioactive agent release coating and controlled humidity method
SURMODICS INC76 citations96
US7829317B2Nov 9, 2010
Attachment of molecules to surfaces
SURMODICS INC11 citations84
US7833548B2Nov 16, 2010
Bioactive agent release coating and controlled humidity method
SURMODICS INC13 citations83
US7585499B2Sep 8, 2009
Method for encapsulation of cellular material using a charged initiator polymer
SURMODICS INC5 citations63