Inventor

Gerhard Darsow

Inventor
Krefeld, DE

Overview

39→
Patents
1976–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 39 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary
C07CAcyclic or carbocyclic compounds52%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%
C07HSugars8%
C07BGeneral methods of organic chemistry5%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for3%
A61KPreparations for medical, dental or toiletry purposes2%
A61QSpecific use of cosmetics or similar toiletry preparations2%
C07DHeterocyclic compounds2%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
C11CFatty acids from fats, oils or waxes2%
PatentTitleYear
6,335,470'Method for producing variable mixtures of cyclohexylamine and dicyclohexylamine'20026,124,443'Process for the hydrogenation of sugars'20006,111,140'Ru--Pd halogen-free catalyzers and method for producing cycloaliphatic amines'20006,037,504'Process for producing aliphatic diols'20006,031,140'Process for producing isocamphyl cyclohexanoles'20006,020,472'Process for preparing .alpha.-D-glucopyranosido-1,6-mannitol and-sorbitol from .alpha.-D-glucopyranosido-1,6-fruetose'20005,952,514'Process for preparing succinic anhydride'19995,874,648'Process for preparing isocamphylcyclohexanols'19995,872,276'Process for preparing dialkyl succinates'19995,861,521'Process for the hydrogenation of esters of unsaturated fatty acids'19995,786,521'Process for preparing hydroxymethylcyclopropane'19985,770,744'Process for the preparation of succinic anhydride'19985,763,717'Process for preparing hydroxybiphenyl'19985,756,864'Process for preparing D,L-menthol from D-menthol'19985,750,803'Process for the preparation of D,L-menthol'19985,741,929'Process for preparing a mixture of amino-methyl-cyclohexanes and diamino-methyl-cyclohexanes'19985,739,404'Process for preparing a mixture of amino-methyl-cyclohexanes and diamino-methyl-cyclohexanes'19985,728,896'Process for the preparation of hydroxymethyl-cyclopropane'19985,728,883'Process for preparing a mixture of cyclohexylamine and dicyclohexylamine'19985,705,715'Process for preparing 1,4-butanediol from maleic anhydride'19985,705,700'Process for preparing a mixture of cyclohexylamine and dicyclohexylamine'19985,696,303'Process for the preparation of aliphatic .alpha., .omega.-diols'19975,644,044'Process for the preparation of .alpha.-D-glucopyranosido-1,6-mannitol and -sorbitol from .alpha.-D-glucopyranosido-1, 6-fructose'19975,641,872'Process for the hydrogenation of sugars'19975,639,917'Process for preparing 1-(4-chlorophenyl)-4,4-dimethyl-pentan-3-one'19975,625,097'Process for preparing diphenylamines and catalysts usable for this purpose'19975,606,099'Process for the preparation of succinic acid dialkyl esters'19975,386,060'Palladium catalyst and its use in the preparation of a mixture of optionally substituted cyclohexylamine and optionally substituted dicyclohexylamine'19955,371,294'Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine'19945,344,987'Process for preparing diphenylamines'19945,338,885'Process for the preparation of diphenylamines'19945,322,965'Process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine using a supported noble metal catalyst'19945,300,706'Process for the preparation of d,1-menthol'19945,248,840'Process for the preparation of hydrooxydiphenyls'19935,245,082'Process for the production of di-(4-aminocyclohexyl)-methane containing 15 to 25% by weight of the trans-trans isomer'19935,196,592'Process for the preparation of diphenylamines'19935,162,517'Process for the preparation of epimer-free sugar alcohols from the group consisting of xylitol, sorbitol (D-glucitol), 4-O-.beta.-D-galactopyranosyl-D-glucitol and 4-O-.alpha.-D-glucopyranosyl-D-sorbitol'19924,684,720'Process for the preparation of a mixture of .alpha.-D-glucopyranosido-1,6-mannitol and .alpha.-D-glucopyranosido-1,6-sorbitol from .alpha.-D-glucopyranosido-1,6-fructose'19873,960,815'Branched aromatic polyaryl-ether sulphones'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2000Patents assigned to BAYER AG (38)· patent assignee history
1976–2002Based in Krefeld, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG381976–2000
Locations
LocationPatentsSpan
Krefeld, DE391976–2002