Patent application number | Description | Published |
20090263668 | DURABLE COATING OF AN OLIGOMER AND METHODS OF APPLYING - A plasma cross-linked surface coating of an oligomer has resulted in a low friction surface coating that is also highly durable. The coated device comprises a metal substrate and a plasma cross-linked coating of an oligomer having a molecular weight less than 10,000, and in one embodiment a molecular weights between 1000 and 10,000. | 10-22-2009 |
20100089290 | FLUOROCHEMICAL URETHANE COMPOUNDS HAVING PENDENT SILYL GROUPS USED FOR SURFACE TREATMENT - Fluorochemical urethane compounds and coating compositions derived therefrom are described. The compounds and composition may be used in treating substrates, in particular substrates having a hard surface such as ceramics or glass, to render them water, oil, stain, and/or dirt repellent. The compounds have the formula (R | 04-15-2010 |
20100183889 | FLUORINATED COMPOSITIONS AND SURFACE TREATMENTS MADE THEREFROM - A composition comprising at least one first divalent unit represented by formula (A) or formula (B); and at least one of a second divalent unit comprising a pendant Z group or a monovalent unit comprising a thioether linkage and a terminal Z group, wherein each Z group is independently selected from the group consisting of —P(O)(OY) | 07-22-2010 |
20110056689 | METHODS FOR TREATING HYDROCARBON-BEARING FORMATIONS HAVING BRINE - Method of treating a hydrocarbon-bearing formation having brine and treated hydrocarbon-bearing formations. The method includes contacting a hydrocarbon-bearing formation with a composition comprising solvent and a polymer. The polymer comprises divalent units represented by formula: (formula I); and a plurality of alkyleneoxy groups. In some embodiments, the solvent at least one of solubilizes or displaces the brine in the formation. In some embodiments, the solvent includes at least one of a polyol or polyol ether independently having from 2 to 25 carbon atoms and at least one of water, a monohydroxy alcohol, an ether, or a ketone, wherein the monohydroxy alcohol, the ether, and the ketone each independently have up to 4 carbon atoms. Hydrocarbon-bearing formations and proppants treated with the polymer are also disclosed. | 03-10-2011 |
Patent application number | Description | Published |
20080254321 | Coatings for Particle Reduction - Coatings for particle suppression are provided. Such coatings comprise fluorochemical moieties and reactive pendant groups. | 10-16-2008 |
20080314287 | FLUOROCHEMICAL URETHANE-SILANE COMPOUNDS AND AQUEOUS COMPOSITIONS THEREOF - Fluorochemical urethane compounds and coating compositions derived therefrom are described. The compounds and composition may be used in treating substrates, in particular substrates having a hard surfaces such as ceramics or glass, to render them hydrophilic, oleophobic and easy to clean. | 12-25-2008 |
20080319153 | FLUOROCHEMICAL URETHANE COMPOUNDS AND AQUEOUS COMPOSITIONS THEREOF - Fluorochemical urethane compounds and coating compositions derived therefrom are described. The compounds and composition may be used in treating substrates, in particular substrates having a hard surfaces such as ceramics or glass, to render them hydrophilic, oleophobic and easy to clean. | 12-25-2008 |
20090025727 | RESPIRATOR, WELDING HELMET, OR FACE SHIELD THAT HAS LOW SURFACE ENERGY HARD-COAT LENS - A personal safety protective device that includes a lens and a support structure onto which the lens is secured. The lens includes a substrate and a hard-coat layer located on the substrate of the lens. The hard-coat layer has a low surface energy outer surface that is derived from a) an additive that includes at least one of i) a perfluoropolyether urethane that includes hydrolysable silane groups, and ii) an acrylate polymer that includes at least one perfluoropolyether moiety and at least one hydrolysable silane group, and b) a silsesquioxane-based hard-coat composition. The provision of such a lens on a personal safety protective device enables the lens to be durable to abrasion and to be easily cleaned without use of solvents that could shorten the service life of the lens. | 01-29-2009 |