Inventor

SPERANZA GEORGE P

US155 patents

⚠️ This page may combine multiple inventors who share the name “SPERANZA GEORGE P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPERANZA GEORGE P

TEXACO INC

Reaction product of polyoxyalkylene polyamine and an aliphatic isocyanate

Liquid terephthalic ester polyols and polyisocyanurate foams therefrom

Polyurethane foams using a polyurea polymer polyol

Mannich condensates of a substituted phenol and an alkylamine containing internal alkoxy groups

Aqueous fluids thickened with fatty acid modified polyoxyalkylene diamines

Difunctional isocyanate-terminated polyoxyalkylene diamine prepolymers and polymer coatings applications

Polymer polyols from liquid terephthalic polyester polyols

Modified Mannich condensates and manufacture of rigid polyurethane foam with alkoxylation products thereof

Polyamide co-polymer polyols made with diesters and diamines and polyurethanes therefrom

Modification of polyols with epoxy resins

Modified amine curing agents and epoxy resins cured therewith

Liquid phase polyols which are alkylene oxide adducts of terephthalic esters from recycled polyethylene terephthalate

Bismaleimide derivatives of higher molecular weight polyoxyalkyleneamines

Curatives of epoxy resins from dicarboxylic acids, including (1) indane or (2) tert-butylisophtalic derived acids, reacted with polyetherdiamines

Long lasting detergent bar containing a polyamide or polyester polymer

Epoxy resin composition containing a curing agent which is a reaction product of cyanoguanidine, formaldehyde and an amine

Rim elastomers made from terephthalate polyester polyol derived polymer polyols

Ultraviolet light stabilizing sterically hindered polyoxyalkylene amines

Aromatic polyols made from polyethylene terephthalate scrap, glycols and aromatic carbonyl-containing compounds

Mannich condensates having fire retardancy properties and manufacture of rigid polyurethane foam therewith

Aromatic polyester polycarbonate polyols derived from polyethylene terephthalate residues

Demulsification of bitumen emulsions using water soluble salts of polymers

Method for producing a low viscosity spray polyol by reacting an alkylene oxide with the reaction product of a phenol, an amine and a smaller formaldehyde portion

Modification of amino polyols with epoxy resins

TEXACO CHEMICAL

Water soluble polyamide from polyalkylene glycol diamines and polycarboxylic acids

Hydroxy terminated polyoxypropylene polyamides

Block polyamido condensation products

Preparation of polyether amide from tetraethylene glycol diamine and terephthalic acid

Polyether amide from polyalkylene glycol diamine and diacid mixture

Elastomeric polyamide hot melt adhesive from low molecular weight polyoxyethylene diamine

Novel compositions from polyoxyalkylene amines and epoxides

Novel compositions from polyoxyalkylene amines and epoxides

Macrocyclic oxamides

Purification of propylene oxide by extractive distillation

Aliphatic polyureas from polyoxyalkylene polyamines, aliphatic diisocyanates and sym-dialkylethylenediamines

Preparation of foams using polyfunctional organic acids

Polyether amide from mixture of polyether diamine

Carboxyl-terminated polyetheramines

Polyamidopolyfunctional amine from lactam and ether amine

Polyamides from polyetheramines, hexamethylene diamine and adipic acid

Paired alkyl phenol Mannich condensates

Method for the preparation of imidazoles

Extractive distillation of propylene oxide

Secondary isopropyl amines derived from oxyalkylene triamines

TEXACO DEVELOPMENT CORP

Polyester polycarbonates

Urea derivative and use as polyurethane catalyst

Bis-quaternary ammonium salts as polyisocyanurate catalysts

Foams and elastomers prepared in the presence of high tertiary amine content polyurethane catalysts

Low friability polyisocyanurate foams

Polyol preparation