Inventor

ZIMMERMAN ROBERT L

US85 patents

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

ZIMMERMAN ROBERT L

TEXACO INC

Polyurethanes using bis(aminoethyl)ether derivatives as catalysts

Flexible polyurethane foams made using an aromatic polyester polyol

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

Novel bis(aminoethyl)ether derivatives useful as polyurethane catalysts

Modification of polyols with epoxy resins

Reaction product additive and ori-inhibited motor fuel composition

Novel polyoxyalkylene diamine compound and ori-inhibited motor fuel composition

Polyurethanes using monocarboxylic acid salts of bis(aminoethyl)ether derivatives as catalysts

Reaction injection molded elastomers containing acid amides

Novel aromatic amide polyols from the reaction of phthalic acid residues, alkylene glycols and amino alcohols

Fuel composition

Polyether hydroxyethylaminoethyl oxalamide motor fuel detergent additives

Fuel additive method of preparation and motor fuel composition

Fuel composition

Aminated propoxylated 1,4-butanediol epoxy resin adducts as epoxy resin curatives

Catalytic method for the manufacture of N-alkylmorpholines

Hydroxyalkyl bis(dialkylaminoalkyl)amine manufacture

Aromatic amide polyols for rigid polyurethane foams

Modification of polyols with epoxy resins for use in flexible polyurethane foams

Method for making RIM polyurethane elastomers using as the catalyst system a hydroxyalkylamine, dibutyltin dilaurate and an alkyltin mercaptide

Morpholine and piperazine derivatives in a catalyst system for polyester-based polyurethane foams

Polyisocyanurates from diols modified with epoxy resins

TEXACO CHEMICAL

Polyurea elastomer with rapid dry time

Catalytic method for the reductive amination of poly(oxytetramethyle) glycols

Aminated, alkoxylated hydroxyl-terminated polybutadienes

Polyurea elastomers made using polyamine/carbonyl adducts as chain extenders

Polyurea elastomers made using polyoxyalkylene tetra-or higher functional amine chain extenders

Continuous preparation of secondary amines from nitriles using a two-step process

Epoxy adhesives containing aminated, long chain monoepoxide capped polyols

Process for the preparation of n-methylmorpholine oxide

Amine separation process

Thermoplastic thermosettable polyamide from poly(oxytetramethylene) diamine and poly(oxytetramethylene) oligomer polyamine

Continuous preparation of secondary amines from nitriles using a nickel catalyst

Continuous preparatin of tertiary aliphatic methyl amines

Continuous preparation of secondary amines from nitriles using cobalt and zirconium

TEXACO DEVELOPMENT CORP

Urea derivative and use as polyurethane catalyst

Modified diphenylmethane diisocyanates useful in polyurethanes or polyisocyanurates

Compounds from aminated alkoxylated aliphatic alcohol

Aminated alkoxylated aliphatic alcohol salts as polyisocyanurate catalysts

Urea derivatives and use as polyurethane catalysts

Compounds from aminated alkoxylated aliphatic alcohol

Polyol preparation

Metallic quaternary ammonium carboxylates as polyisocyanurate catalysts

N,N&#39;-Polyoxyalkylene bis(lactam carboxylic acids)

HUNTSMAN SPEC CHEM CORP

Method of preparing an aliphatic polyurea spray elastomer system

Preparation of sprayable aliphatic polyurea elastomers having improved properties

Method of preparing spray elastomer systems

Method of preparing spray elastomer systems

Mannich polyols for rigid spray foams

Heat activated tertiary amine urethane catalysts

N,N'-Polyoxyalkylene bis(lactam carboxylic acids)