Inventor

ECKHARDT VOLKER

DE29 patents

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

ECKHARDT VOLKER

BAYER AG

Aromatic ethers

Process for the production of bifunctional OH-terminated polyphenylene oxides with dipolar aprotic solvent

Thermotropic aromatic polyester based on p-hydroxy benzoic acid, 4,4&#39;-dihydroxy diphenyl, terephthalic acid, and isophthalic acid

Thermotropic aromatic polyester with high thermal stability

Thermotropic, fully aromatic polyesters prepared by polycondensation of aromatic diphenols and aromatic carboxylic acids

Process for the production of aromatic polyether ketones

Thermotropic polyesters, a process for their production and their use for the production of moldings, filaments and films

Thermotropic, fully aromatic polyesters having a low processing temperature, a process for their production and their use for the production of moldings, filaments, fibers and films

Process for the production of aromatic polyether ketones

Solid phase post polymerization condensation of thermotropic polyester imides

Thermotropic aromatic polyesters having high mechanical properties and good processability, a process for their preparation, and their use for the production of mouldings, filaments, fibres and films

Thermotropic polyesterimide from N-carboxyalkylene trimellitimide having excellent processibility, a process for their production and their use for the production of moldings, filaments, fibers and films

Process for the production of aromatic polyether ketones

Tetra-(hydroxyaryl)-bis-quinoxalines and preparation thereof

Bifunctional stilbene compounds containing at least one z-configurated stilbene group, process for their preparation and their use for the preparation of polymers

Thermotropic polyester imide from N-(3-hydroxy phenyl) trimellitic acid imide

Process for the preparation of bis-hydroxyphenyl-n-alkanes, new bis-hydroxyphenyl-n-alkanes and new alkanediones

Process for the production of low-melting polymers containing at least one z-configured stilbene group

Thermotropic aromatic polyesters, a process for their production and their use for the production of moldings, filaments, fibers and films

Copolycarbonate from mixture of polyarylene diol

Thermoplastic polycarbonate branched with tetra-hydroxyaryl-bis-quinoxaline

Thermotropic aromatic polyesters having a high deflection temperature under load and excellent mechanical properties, a process for their preparation and their use for the production of moldings, filaments, fibres and films

Thermotropic, fully aromatic polyesters with excellent figidity and toughness, a process for their preparation and their use for the production of shaped articles, filaments, fibres and films

Stiff-chain polyheterocycles having improved solubility, a process for their production and their use

Process for the preparation of polyarylene sulphides

Process for the preparation of polyarylene sulphides

WOLFF WALSRODE AG

Process for producing particulate, water-soluble cellulose derivatives using a superheated gas mixture containing steam

ECKHARDT VOLKER

Thermotropic aromatic polymers with high elongation at break, processes for their preparation and their use for the production of moulded articles, filaments, fibres and films

DOW GLOBAL TECHNOLOGIES INC

Continuous process for the production and/or workup of polysaccharide derivatives

Thermotropic aromatic polyester based on p-hydroxy benzoic acid, 4,4'-dihydroxy diphenyl, terephthalic acid, and isophthalic acid