Inventor

SHAWL EDWARD T

US34 patents

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

SHAWL EDWARD T

ARCO CHEM TECH

Cement additives

Process for preparing comb-branched polymers

Copolymers useful as cement additives and a process for their preparation

Poly ether preparation

Cement additives

Method of making a water reducing additive for cement

Process for preparing comb-branched polymers

Cement composition

Cement composition

Cement composition

Cement composition

Process for the preparation of trisubstituted ureas by reductive carbonylation

Process for the preparation of aromatic bis dialkyl ureas

Process for the preparation of aromatic isocyanates from dialkyl ureas using an organic sulfonic acid promoter

Process for the preparation of methylene diphenylene diisocyanates and polymethylene polyphenylene poly (diisocyanates)

Process for the preparation of aromatic mono- and polyisocyanates

Selective process for the preparation of diphenylmethane diisocyanate precursors

Process for recovery of amines and volatile acids from amine salts

Preparation of methylene diphenylene diisocyanates and polymethylene polyphenylene poly (isocyanates) using an organic sulfonic acid promoter

Separation of monoethers from diethers

Selective process for the preparation of diphenylmethane bis-(dialkyl ureas

ATLANTIC RICHFIELD CO

Process for the preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates

Process for the preparation of diphenylmethane mono and dicarbamates and polymethylene polyphenyl carbamates by the acid rearrangement of an (alkoxycarbonyl) phenylaminomethylphenyl compound

Preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates with Lewis acid catalysts intercalated in graphite

Removal of selenium from urethane solutions

Process for the removal of selenium compounds from urethane solutions

Process for the preparation of diphenylmethane dicarbamates and polymethylene polyphenyl carbamates

Preparation of diphenylmethane mono and dicarbamates and polymethylene polyphenyl carbamates

Method for increasing the 4,4&#39;dicarbamate isomer of the diphenylmethane dicarbamates during preparation thereof

LYONDELL CHEMICAL TECH LP

Polyolefin compositions

Preparation of comb-branched polymers

Inorganic oxide extrudates

Inorganic oxide extrudates

Direct epoxidation process

Method for increasing the 4,4'dicarbamate isomer of the diphenylmethane dicarbamates during preparation thereof