Inventor

WEDEMEYER KARLFRIED

DE65 patents

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

WEDEMEYER KARLFRIED

BAYER AG

Process for the preparation of N,N-diaryl-ureas

Process for the halogenation of organic compounds

Phenoxymethane derivatives for regulating plant growth

Process for the preparation of 3-phenoxy-benzaldehydes

Process for the preparation of alkylthiomethylphenols and arylthiomethylphenols

Preparation of 2-alkyl- and 2-aryl-thiomethylphenols

Process for the preparation of aryloxyacetic acid

Process for nucleus-chlorination of aromatic hydrocarbons

Process for preparing 1,2-dichlorobenzene

Thermotropic aromatic polyester from 3,3&#39;-diphenyl-4,4&#39;-dihydroxy biphenyl and arylene dicarboxylic acid

Process for the preparation of 4-nitrodiphenylamines

Process for the preparation of hydroxybenzaldehydes

Process for preparing thymol

Process for the preparation of anilines meta-substituted by chlorine

Process for the preparation of substituted styrenes

Process for the production of 4-nitroso-diphenylamine

Process for improving the light fastness of polyamide dyeings

Impregnating agent and its use

Process for the production of 1,1,3,3-substituted hydroxyindanes

Process for the production of azodicarbonamide

Process for the preparation of arylglyoxylic acids

Diaminoarylsulfones useful for the preparation of polyurethane elastomers

Process for the preparation of thiocyanatomethylthiobenzothiazoles

Process for the preparation of 4-chloro-2,6-dialkylanilines

Process for the preparation of a mixture of 2-and 4-hydroxybenzyl alcohol

Process for the preparation of arylglyoxylic acids

Process for the preparation of 1,1,3,3-substituted hydroxy indanes

Process for the preparation of 5-isopropyl-3-methyl-phenol

Preparation of 2,4-dichloro-3-alkyl-6-nitrophenols

Process for preparation of anilines which are m-substituted by chlorine

Process for the preparation of m-halogen-substituted anilines

Process for the preparation of optionally p-chlorine-substituted 2,6-diaminotoluene

Combating pests with 3,3-dimethylindan-5-yl N-alkyl-carbamic acid esters

Process for preparing 3-chloro- and 3,5-dichloro-anilines

Process for the continuous preparation of di-tertiary butylcresols

Process for purifying alkylphenolz

Indan-5-yl-N-methylcarbamic acid esters

Process for preparing meta-substituted halophenols

Process for preparing 3,5-dichloro-α-methylstyrene

Preparation of 3,5-dichloro-α-methylstyrene

Process for the preparation of 4-amino-diphenylamines

Process for the preparation of 3-phenoxy-benzaldehydes

Chloro-diphenyl

Process for the dealkylation of tert.-alkyl substituted phenols

Process for the preparation of alkyl-substituted anilines

Process for preparing M-chlorobenzene sulphonyl chloride

Water-soluble complex of cuprous chloride, hydrochloric acid and at least one amine or amine salt

HAARMANN & REIMER GMBH

Process for the preparation of pure 2-hydroxybenzyl alcohol, pure 4-hydroxybenzyl alcohol or a mixture of both hydroxy-benzyl alcohols

AGFA GEVAERT NV

Recording materials and image receiving materials for producing copies in a dry way

AGFA GEVAERT AG

Color photographic material containing a hydroxyindane

Thermotropic aromatic polyester from 3,3'-diphenyl-4,4'-dihydroxy biphenyl and arylene dicarboxylic acid