Inventor · disambiguated record
Ronald F. Ofstead
Also filed as: OFSTEAD RONALD · OFSTEAD RONALD F
24 granted patents·4 pending applications·1,195 citations·filing 1972–2010
97Inventor score
Top patents by PatentIndex Score
28 records- 0197US4977901AArticle having non-crosslinked crystallized polymer coatingsMINNESOTA MINING & MFG·Filed 1990·Granted Dec 18, 1990·483 cites·13 claims
- 0296US7309593B2Attachment of molecules to surfacesSURMODICS INC·Filed 2003·Granted Dec 18, 2007·69 cites·27 claims
- 0395US4009313AEnzymatically dispersible non-woven websMINNESOTA MINING & MFG·Filed 1972·Granted Feb 22, 1977·113 cites·17 claims
- 0491US7829317B2Attachment of molecules to surfacesSURMODICS INC·Filed 2007·Granted Nov 9, 2010·11 cites·18 claims
- 0591US7097850B2Bioactive agent release coating and controlled humidity methodSURMODICS INC·Filed 2002·Granted Aug 29, 2006·76 cites·88 claims
- 0689US4771089APolymer blends with high water absorptionMINNESOTA MINING & MFG·Filed 1985·Granted Sep 13, 1988·70 cites·11 claims
- 0788US7833548B2Bioactive agent release coating and controlled humidity methodSURMODICS INC·Filed 2005·Granted Nov 16, 2010·13 cites·18 claims
- 0887US8129159B2Attachment of molecules to surfacesOFSTEAD RONALD F·Filed 2010·Granted Mar 6, 2012·6 cites·9 claims
- 0985US4693939AArticle coated with copolymer of poly(vinyl alcohol)MINNESOTA MINING & MFG·Filed 1986·Granted Sep 15, 1987·53 cites·12 claims
- 1084US4618649ACopolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)MINNESOTA MINING & MFG·Filed 1985·Granted Oct 21, 1986·34 cites·16 claims
- 1179US7585499B2Method for encapsulation of cellular material using a charged initiator polymerSURMODICS INC·Filed 2003·Granted Sep 8, 2009·5 cites·27 claims
- 1275US4859719APolymer blends with high water absorptionMINNESOTA MINING & MFG·Filed 1988·Granted Aug 22, 1989·33 cites·13 claims
- 1375US4786446AProcess of forming a hydroxy-substitute polymeric shaped articleMINNESOTA MINING & MFG·Filed 1987·Granted Nov 22, 1988·25 cites·39 claims
- 1475US4673539AProcess for thermoformed articlesMINNESOTA MINING & MFG·Filed 1985·Granted Jun 16, 1987·34 cites·15 claims
- 1574US4528325ACopolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)MINNESOTA MINING & MFG·Filed 1983·Granted Jul 9, 1985·27 cites·11 claims
- 1673US4694037ACopolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)MINNESOTA MINING & MFG·Filed 1985·Granted Sep 15, 1987·21 cites·9 claims
- 1772US4921884AHydroxy-substituted polymeric shaped hydrogel articleMINNESOTA MINING & MFG·Filed 1988·Granted May 1, 1990·31 cites·21 claims
- 1866US8143043B2Encapsulated cells using positively-charged initiator polymerCHUDZIK STEPHEN J·Filed 2009·Granted Mar 27, 2012·0 cites·22 claims
- 1966US4921908ACopolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)MINNESOTA MINING & MFG·Filed 1989·Granted May 1, 1990·15 cites·8 claims
- 2056US8202833B2Composition containing biocompatible polymerization accelerator and polymerizable materialSWAN DALE G·Filed 2003·Granted Jun 19, 2012·1 cites·24 claims
- 2152US5188688AMethod of sealing a gelatin capsuleMINNESOTA MINING & MFG·Filed 1990·Granted Feb 23, 1993·38 cites·20 claims
- 2252US2011054417A1Bioactive agent release coating and controlled humidity methodSURMODICS INC·Filed 2010·Application pending·0 cites
- 2349US4840992ACopolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)MINNESOTA MINING & MFG·Filed 1987·Granted Jun 20, 1989·12 cites·17 claims
- 2449US2002188037A1Method and system for providing bioactive agent release coatingFiled 2002·Application pending·0 cites
- 2549US2010158799A1Method and composition for bioactive agent release in vivoSURMODICS INC·Filed 2010·Application pending·0 cites
- 2648US4780514ACopolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)MINNESOTA MINING & MFG·Filed 1987·Granted Oct 25, 1988·6 cites·9 claims
- 2745US2003232087A1Bioactive agent release coating with aromatic poly(meth)acrylatesFiled 2002·Application pending·0 cites
- 2836US4919662AHydrogel implant lens construction reconfigured dehydrated re-hydrated in situMINNESOTA MINING & MFG·Filed 1988·Granted Apr 24, 1990·19 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →