Polyacrylate and Polymethacrylate ester based hydrogel adhesives
March 22, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3024221 3033833 Pressure sensitive adhesive compositions for medical electrodes Hydrophilic, elastomeric, pressure-sensitive adhesive Polyalkyloxazoline-reinforced acrylic pressure-sensitive adhesive composition Adhesive composition, process, and product Electrically conductive adhesive Electrically-conductive, pressure-sensitive adhesive and biomedical electrodes Electrically conductive adhesive materials Moldable medical adhesive InventorsAssigneeApplicationNo. 408625 filed on 03/22/1995US Classes:524/817, S-containing monomer524/388, At least one solid polymer derived from ethylenic reactants only524/522, Solid polymer derived from carboxylic acid-containing monomer524/807, Monomer-containing element other than C, H, O, N, S, Hal, or Group IA metal atom524/808, Monomer contains nitrogen atom as part of a heterocyclic ring524/815, Quaternary nitrogen-containing monomer, e.g., tetramethyl ammonium, etc.524/832Monomer is carboxylic acid or derivativeExaminersPrimary: Henderson, ChristopherAttorney, Agent or FirmForeign Patent References
International ClassesC08F 220/06C08F 228/02 C08L 033/26 C08K 005/05 AbstractA hydrogel adhesive made of a polymer formed by polymerizing a water soluble long chain (meth)acrylate ester monomer (structure I); a hydrogel adhesive made of a copolymer formed by copolymerizing a first water soluble long chain (meth)acrylate ester monomer (structure I) with a second water soluble monomer (structure II); biomedical devices having such hydrogel adhesives; a method of preparing hydrogel adhesives; and a method of adhering biomedical devices to skin.Other References
Field of SearchMonomer contains nitrogen atom as part of a heterocyclic ringMonomer-containing element other than C, H, O, N, S, Hal, or Group IA metal atom Quaternary nitrogen-containing monomer, e.g., tetramethyl ammonium, etc. S-containing monomer Monomer is carboxylic acid or derivative At least two -OH groups Solid polymer derived from carboxylic acid-containing monomer Hydrocarbon monomer with carboxylic acid, salt, or nonnitrogen containing derivative monomer | |
