Inventor

EITEL ALFRED

DE18 patents

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

EITEL ALFRED

BAYER AG

Process for the production of thermoplastic synthetic materials

Process for the production of thermoplastic polymer by introducing thermoplastic polymer into an extruder and adding organic polyisocyanate and chain lengthening agent

Process for the production of polyurethane elastomers

Optimized ion exchanger beds for the synthesis of bisphenol A

Bisphenol synthesis on modified ion-exchange resins using specially purified carbonyl compounds

Process for the production of bisphenols with the use of new cocatalysts

Process for the production of bisphenols

Process for the preparation of polyurethane elastomers in which at least two reactant portions are introduced into separate positions of a screw machine

Process for the purification of bisphenol

Process of regenerating sulfonic acid cation exchange resins with a mercaptoethylamine or thiazolidine

Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method

Process for the production of high-purity bisphenol A

Process for the preparation of substituted cycloalkylidene bisphenols

Process for the manufacture of bis(4-hydroxyaryl)alkanes

Copolymers, devoid of rubber, with low residual monomer content and a method and device for producing the same

Thermoplastic resins with a low proportion of coarse particles

Thermoplastic molding compounds with improved surface properties and improved structural homogeneity

LANXESS DEUTSCHLAND GMBH

Process and device for the production of elastomer-modified thermoplastics