Inventor

KLEIN HOWARD P

US58 patents

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

KLEIN HOWARD P

TEXACO DEVELOPMENT CORP

Bis-quaternary ammonium salts as polyisocyanurate catalysts

Polyoxypropylene polyamine polyamide thermoplastic adhesives

Metallic quaternary ammonium carboxylates as polyisocyanurate catalysts

Polyols from 2,3-morpholinediones

Tertiary amino substituted oxazolidines as polyisocyanurate catalysts

Phenol-aldehyde condensation product with aminoalkylene derivative of a polyoxyalkylenepolyamine

Polyurethanes prepared from polyols from 2,3-morpholinediones

Accelerated cure of epoxy resins

Isocyanurate foam catalyst

Isocyanurate foam catalyst

Polyurethanes derived from novel novolak polyols

Polymerization of 2,3,4,5-tetrahydro-4-oxo-1-benzoxepin-5-ones

Rigid polyurethane foams

Fire-retardant polyurethane composition

Morpholinomethacrylic acid salt

HUNTSMAN SPEC CHEM CORP

Alkoxylation of 6-membered alkylene carbonates

Preparation of hydroxyalkylcarbamates from six-membered cyclic carbonates

Drilling fluids

Process and formulations to remove paint and primer coatings from thermoplastic polyolefin substrates

Carbonate-based coating removers

Polyether polyamine agents and mixtures therefor

Synergistic amine chain-extenders in polyurea spray elastomers

Propylene carbonate based cleaning compositions

Process for the production of carbonates that melt at a high temperature

Water emulsifiable formulations

Multifunctional carbonates and derivatives

Absorbent polymer modification

Catalyst removal process

HUNTSMAN PETROCHEMICAL LLC

Polyether polyamine agents and mixtures thereof

Pyrrolidine-based catalysts for use in polyurethane materials

Etheramines prepared from a mixture of two or more multifunctional alcohol initiators, and their use as curatives or intermediates for polymer synthesis

Blend for curing epoxy resin composistions

Co-preparation of polyetheramines and alklyene amines

Comb-like polyetheralkanolamines in inks and coatings

Etheramines with enhanced thermal stability and their use as curatives or intermediates for polymer synthesis

Comb-like polyetheralkanolamines in inks and coatings

TEXACO INC

Polyoxyalkylene polyether amino alcohols containing a tertiary hydroxyl group and flexible polyurethanes made therefrom

Polyurethane foams based on amino polyols

Polymer polyols from partially reacted polyamines

Procedure for the partial alkoxylation of polyoxyalkyleneamines

Process for preparing polyol-catalyst mixtures useful in the preparation of rigid polyurethane cellular products

Process for preparing hydroxy-containing amine complexes which are useful as catalysts for trimerizing isocyanates and preparing polyurethanes

TEXACO CHEMICAL

Liquification of bis-carbonates of bis-glycidyl ethers

Epoxy curing agents

Preparation of polyoxyalkylene glycol amines

KLEIN HOWARD P

Etheramines and their use as intermediates for polymer synthesis

Etheramines containing flexible and rigid segments and their use as intermediates for polymer synthesis

ARCO CHEM TECH

Urea catalyst for preparation of sucrose polyols useful for rigid polyurethane foams

TEXAS DEV CORP

Production of polyether polyol compositions

TEXACO INC PARENT

Process for preparing polyol-catalyst mixtures useful in the preparation of rigid polyurethane cellular products