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Dean C. Webster, Fargo US

Dean C. Webster, Fargo, ND US

Patent application numberDescriptionPublished
20080213599Thermoset siloxane-urethane fouling release coatings - A polymeric material may be prepared by reacting a mixture comprising an amino functional polyorganosiloxane, polyisocyanate, and polyol. The polyol may comprise a hydroxy-functional poly(meth)acrylate. The polymeric material may be used as a coating for a substrate and may inhibit fouling on a surface exposed to aquatic conditions.09-04-2008
20090017288Polymeric material with surface microdomains - A polymeric material may be prepared by reacting a composition that includes polyol, polyisocyanate, and polyorganosiloxane having functional groups capable of reacting with the polyisocyanate, wherein the polymeric material has a surface which includes raised microdomains.01-15-2009
20090111937Functionalized Polysiloxane Polymers - Polysiloxanes terminated with one or more hydroxy functional carbamate groups are provided. The polymers may have the formula (I) wherein R04-30-2009
20090173919Conductive Ink Compositions - Disclosed are conductive ink compositions that include at least one monomer containing exactly one ethylenically unsaturated group, one or more thermoplastic polymers, one or more free radical initiators, and conductive particles. Also disclosed are conductive thermoplastic materials which include at least one thermoplastic polymer produced by polymerization of one or more monomers containing exactly one ethylenically unsaturated group; and conductive particles dispersed in said thermoplastic polymer. The conductive ink compositions and thermoplastic materials can be used in the manufacture of electronic devices, such as radiofrequency identification (“RFID”) devices.07-09-2009
20090184417POLYOL PHOTOSENSITIZERS, CARRIER GAS UV LASER ABLATION SENSITIZERS, AND OTHER ADDITIVES AND METHODS FOR MAKING AND USING SAME - Disclosed are photosensitizers that include a polyol moiety covalently bonded to a fused aromatic moiety. Also disclosed is a method for improving UV laser ablation performance of a coating, such as a cationic UV curable coating, by incorporating an oxalyl-containing additive into the cationic UV curable or other coating. Oxalyl-containing sensitizers having the formula Q-O—C(O)—C(O)—O—R07-23-2009
20100216951HYBRID COATINGS PREPARED FROM GLYCIDYL CARBAMATE RESINS - The invention relates to solvent-containing two-component polyurethane moisture cured hybrid sol-gel coating formulation comprising 1) an epoxy-functional binder with carbamate functionality and 2) a blended curing component comprising at least one sol gel precursor and an amine crosslinker.08-26-2010
20100280148ANCHORED POLYSILOXANE-MODIFIED POLYURETHANE COATINGS AND USES THEREOF - A polymeric material, prepared by reacting a mixture comprising a polyorganosiloxane having one or more isocyanate-reactive functional groups, polyisocyanate, and polyol, is provided. The isocyanate-reactive functional groups, typically one or two, are attached to only a single end of the polyorganosiloxane chains. The polymeric material may be used to form coatings on a substrate and to inhibit fouling on surfaces exposed to aqueous conditions.11-04-2010
20100319580MODIFIED GLYCIDYL CARBAMATE RESINS - The invention relates to alcohol-modified glycidyl carbamate resins wherein at least some of the glycidol groups in the resin have been replaced with an alcohol. The invention also relates to coating compositions containing the resins.12-23-2010
20100323190Polymeric material with surface microdomains - A polymeric material may be prepared by reacting a composition that includes polyol, polyisocyanate, and polyorganosiloxane having functional groups capable of reacting with the polyisocyanate, wherein the polymeric material has a surface which includes raised microdomains.12-23-2010
20110046257UV-CURABLE LOW SURFACE ENERGY COATINGS - The invention provides an improved unsaturated polyester prepared from the polycondensation of unsaturated diacid monomers or unsaturated acid anhydride mononers and polyol monomers and. optionally, one or more saturated aliphatic or aromatic diacid monomers or anhydride monomers thereof. The improvement comprises 0.5 to 50 weight percent, based on the total monomer weight, of an hydroxyalkyl-functional siloxane of formula (1) below. The invention also relates to a UV curable coating formulation containing a siloxane-functional unsaturated polyester resin, a vinyl ether functional diluents and a photoinitiator. The invention further provides a method of preparing an article with a low-surface energy coating. According to the method, at least one surface of an article with a coating formulation of the invention; and the coating is then cured as described above with UV light to form a low-surface energy coating on the surface. The invention also relates to articles having a low-surface energy coating according to the invention.02-24-2011
20110049429GLYCIDYL CARBAMATE COATINGS HAVING IMPROVED CORROSION RESISTANCE - This invention relates to coating compositions comprising a glycidyl carbamate functional resin, an epoxy resin, and an amine curing agent. The coating compositions have improved corrosion resistance, particularly on untreated steel substrates.03-03-2011

Patent applications by Dean C. Webster, Fargo, ND US