Inventor

ALEWELT WOLFGANG

DE38 patents

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

ALEWELT WOLFGANG

BAYER AG

Process for the preparation of thermoplastic polycarbonates

Two-stage process for the production of thermoplastic polycarbonate

Process for the production of polycarbonates

Containers made of a branched polycarbonate

Continuous production of polycarbonates

Liquid crystal polycondensates with improved heat stability, a process for their preparation and their use for the production of shaped articles, films, fibres and filaments

Process for the preparation of diarylcarbonates

Process for the isolation of polyarylene sulphide from salts contained therein

Glass fiber-reinforced polycarbonates with improved mechanical properties containing 0.5 to 5.0% of organopolysiloxane

Process for producing carbonic acid diaryl ester

Continuous process for the production of carboxylic acid diaryl esters

Process for the continuous production of polyamides

Improved transesterification process for the production of polycarbonates

Guanidine-derived catalyts for preparing polycarbonates by transesterification

Process for the production of thermoplastic polycarbonates

Process for isolating polycarbonates from their solutions with tube having cross sectional contrictions

Process for the preparation of copolyamide from adipic acid, terephthalic acid and hexamethylene diamine

Preparation of polyarylene sulphide in presence of amino carboxylic acid

Thermoplastic compositions comprising aromatic polycarbonate urethanes

Process for the manufacture of polyarylene sulphides

Process for the production of high molecular weight, optionally branched polyarylene sulfides

Process for the isolation of polyarylene sulphide

Polyarylene sulphide capped with monophenol compound

Process for the production of solventless polycarbonate

Molten, catalytic process for the preparation of polycarbonates

Process for the preparation of aromatic polyesters

Isolation of purified solid polyarylene sulfide directly from polymerization solution

Process for the preparation of N-alkylated caprolactams

Polyarylene sulphide having high melt viscosity

Process for the preparation of polycarbonates catalyzed by cyclic aza compounds

Production of polyester carbonates

Process for the preparation of polyarylene sulphides

Process for the purification of polyarylene sulphides

Process for isolating polyarylene sulphides

Working up of polymer synthesis solutions

Production and use of polyester carbonates

Polycarbonates and a process for their preparation

MOBAY CORP

Flame retardant polycarbonate compositions