Inventor

PRETZER WAYNE R

US40 patents

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

PRETZER WAYNE R

GULF RESEARCH DEVELOPMENT CO

Selective formation of ethanol from methanol, hydrogen and carbon monoxide

Ethanol from methanol

Process for the selective preparation of acetaldehyde from methanol and synthesis gas

Process for producing ethanol

Novel catalyst system and process for producing ethanol using said novel catalyst system

Decomposition of cumene hydroperoxide and recovery of boron trifluoride catalyst

Decomposition of cumene hydroperoxide using a Lewis acid catalyst

Ethanol from methanol

Process for producing acetaldehyde

Process for producing acetaldehyde

Decomposition of cumene hydroperoxide and recovery of boron trifluoride catalyst

Decomposition of cumene hydroperoxide with a halogen-substituted thiophenol catalyst

Decomposition of cumene hydroperoxide using a stable carbonium, tropylium or oxonium salt as the catalyst

Decomposition of cumene hydroperoxide with a heterogeneous catalyst

Process for preparing aldehydes

Process for producing aldehydes

Process for selective formation of C4 compounds and thiol-containing catalyst system used therein

Catalyst and process for preparing organic urethanes

Process for producing ethanol using said novel catalyst system

Process for selective formation of C4 compounds and tertiary organo group VA compound-containing catalyst system used therein

Catalyst and process for preparing organic isocyanates

Decomposition of cumene hydroperoxide with a homogeneous catalyst

Decomposition of cumene hydroperoxide using a stable nitrosonium or nitronium salt as the catalyst

Process for producing ethanol

Process for selective formation of C4 compounds and thiol-containing catalyst system used therein

Catalyst suitable for preparing aldehydes

Process for selective formation of C4 compounds and biphosphine disulfide-containing catalyst system used therein

Process for selective formation of C4 compounds and organic sulfide-containing catalyst system used therein

CHEVRON RES

Increasing the viscosity of CO2 solutions

Enhanced oil recovery using CO2 flooding

Polymer containing pendant silyl ether groups useful in enhanced oil recovery using CO2 flooding

Polymer containing pendant tertiary alkyl amine groups useful in enhanced oil recovery using CO2 flooding

Polymer containing pendant vinyl ether groups useful in enhanced oil recovery using CO2 flooding

AMOCO CORP

Poly(vinylalkylether)-containing hot-melt adhesives for polyethylene and polypropylene

Poly(vinylalkylether)-containing hot-melt adhesives for polyethylene and polypropylene

Poly(vinylalkylether)-containing hot melt adhesives for polyethllene and polypropylene

Regiospecific carbonylation process for making acyl compounds from aromatic heterocycles and olefins

BP CORP NORTH AMERICA INC

Polyester resin for powder coating

Polyester resin for powder coating

FLINT HILLS RESOURCES S A R L

N-hydroxyalkyltrimellitimide esters and bis-(trimellitimide) esters and method of making