Surface-treatment of synthetic or semi-synthetic fiber textile materials
Patent 4931524 Issued on June 5, 1990. Estimated Expiration Date: 
June 5, 2007. 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.
June 5, 2007. 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 ReferencesPolyisocyanate cross-linked alkylene oxide-linear non-ionic polysaccharide reaction product Polyisocyanate cross-linked polymers containing cellulosic component Post-treatment of synthetic fiber fabrics Novel polyether polycarbonate block copolymers and polyurethanes prepared therefrom Process for producing polymeric resin Patent #: 4659795 InventorsAssigneeApplicationNo. 015196 filed on 02/17/1987US Classes:527/301, With N=C=X reactant wherein X is chalcogen527/302, Oxyalkylated carbohydrate528/45, From at least one blocked -N=C=X group528/59, From N=C=X reactant having at least two -C-NH-C(=X)- groups528/67From two or more reactants containing -N=C=X groupsExaminersPrimary: Nutter, Nathan M.Attorney, Agent or FirmInternational ClassesC08G 018/00C08G 018/10 C08G 018/70 C08G 018/81 AbstractSynthetic or semi-synthetic fiber textile materials are coated with an aqueous solution or dispersion of a thermally reactive saccharide-urethane composition. The saccharide/urethane composition consists of a saccharide/polyisocyanate adduct having at least one blocked isocyanate group, a saccharide/urethane ether having at least one blocked isocyanate group, or mixture of a saccharide material and a thermally reactive crosslinker thereof. | |
