Class 524/591 - Water DNRM

Subclass of Class 524 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein water as a DNRM is admixed with the
No. of patents: 1045
Last issue date: 04/17/2012

Number	Title	Issue Date
3951897	Process for preparing non-ionic polyurethane emulsions A process for preparing non-ionic polyurethane emulsions comprising chain-extending (A) an isocyanate-terminated urethane prepolymer (formed by reaction of a polyhydroxyl reactant having a molecular weight of 200 to 10,000 and a stoichiometric excess of a...	04/20/1976
3950590	Production of improved polyester fibers for use in tires A procedure is provided for enhancing the thermal stability of a multifilament polyester fibrous material during use when incorporated in a rubber tire matrix. A non-uniform deposition of a polyether urethane polymer (as defined) is provided upon at least...	04/13/1976
3935146	Polyurethaneamides dispersible in water and dispersions containing them A polyurethaneamide containing ethylene oxide units and adapted to be dispersed in water without added emulsifiers and dispersions containing them are provided. The novel dispersions produce coatings on leather and other substrates having an improved glos...	01/27/1976
3933677	Preparation of aqueous dispersions of blocked aromatic polyisocyanates Aqueous dispersions of aromatic polyisocyanates blocked with phenolic compounds are prepared by mixing the polyisocyanate dissolved in an organic water-soluble solvent and an aqueous solution containing an excess of the phenolic compound in the presence o...	01/20/1976

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