Inventor

Wolfgang Reuther

Inventor

Heidelberg, DE

Overview

71→

Patents

1978–2000

Patent span

Chemistry

Primary field (CPC C)

Patents· 71 as inventor

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

C07Dprimary

C07DHeterocyclic compounds18%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%

A01NPreservation of bodies of humans or animals or plants or parts thereof12%

C07CAcyclic or carbocyclic compounds8%

D21HPulp compositions4%

B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for3%

C08JWorking-up3%

C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing3%

Y10TTechnical subjects covered by former us classification3%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%

PatentTitleYear

6,120,562'Triazine derivatives as fixers in coloring and as cross-linking agents'2000 6,069,161'Use of aminoisothiazoles as microbicides'2000 6,063,286'Modified, fine-particle, water-insoluble aziridine polymer and use therefore for removing heavy metals from aqueous solution'2000 6,056,967'Method of producing water-soluble condensates and addition products containing amino groups, and use of said condensates and addition products'2000 6,031,064'Condensation products based on triazines and formaldehyde'2000 6,004,892'Fire protection covers made of melamine-formaldehyde resin fibers'1999 6,001,166'Aqueous alkyldiketene dispersions and their use as size for paper'1999 5,977,293'Process for continuous preparation of homopolymers of ethyleneimine'1999 5,942,588'Aqueous alkyldiketene dispersions and their use as size for paper'1999 5,939,515'Modified melamine-formaldehyde resins'1999 5,851,300'Cationic modification of starch and use of the cationically modified starch'1998 5,837,013'Preparation of colored melamine-formaldehyde condensation products'1998 5,744,001'Aqueous pigment slurries for production of filler-containing paper'1998 5,702,517'Additives for plastics, in particular for PVC'1997 5,672,721'Preparation of low-solvent alkyl diketenes'1997 5,641,855'Water-soluble condensation products of amino-containing compounds and crosslinkers, preparation thereof and use thereof'1997 5,637,704'Preparation of hydroxyoxaalkylmelamines'1997 5,536,370'Condensates of polyalkylenepolyamines, their preparation and their use in papermaking'1996 5,530,031'Water-insoluble melamine-formaldehyde resins'1996 5,484,938'1-hydroxyimidazole compounds'1996 5,430,186'Preparation of carboxylic chlorides'1995 5,393,828'Chemical degradation of cured amino resins'1995 5,391,363'Continuous purification of an off-gas composed of CO.sub.2 +HCl+COCl.sub.2'1995 5,382,476'Recycling of cured aminoplast resins'1995 5,372,609'Self-tanning, pretanning and assist tanning of pelts and skin pelts and retanning of leather and skin'1994 5,356,938'Recycling of cured aminoplast resins'1994 5,342,916'Condensation polymers of sulfonated phenols, urea, other organic nitrogen-bases, and formaldehyde, and their use as tanning agents and as spraying aids for redispersible polymer powders'1994 5,332,830'Preparation of N-hydroxyazoles'1994 5,322,915'Modified melamine-formaldehyde resins'1994 5,245,063'Preparation of carbonyl chlorides'1993 5,216,010'Biocidal N-thiocyanatomethoxyazaheterocycles'1993 5,186,947'Wood preservative based on polymeric nitrogen compounds and metal-fixing acids'1993 5,187,194'Wood preservatives containing polymeric nitrogen compounds'1993 5,173,501'Substituted N-hydroxypyrazoles and N-hydroxytriazoles for controlling pests'1992 5,166,427'Preparation of acyl chlorides'1992 5,162,487'Melamine resin moldings having increased elasticity'1992 5,158,974'Preparation of N-alkyl- and N,N-dialkyldiaminoethanes'1992 5,120,756'Substituted n-hydroxypyrazoles and n-hydroxy-triazoles for controlling pests'1992 5,112,985'Preparation of 1-hydroxyimidazole'1992 5,084,488'Melamine resin moldings having increased elasticity'1992 5,081,142'Derivatives of 1-hydroxy-1,2,4-triazole and fungicides and growth regulators containing them'1992 5,076,808'Dyeing of polyamide substrates with an organic N-nitroso-hydroxylamine as light stabilizer'1991 5,049,678'1-hydroxy-1,2,4-triazoles'1991 5,047,551'Preparation of 4-chloropyrazoles'1991 5,026,720'1-hydroxyazole compounds and fungicides containing these'1991 5,017,725'Preparation of addition salts of cysteamine with acids'1991 4,988,721'0-(1,2,4-triazol-1-yl) o-phenyl acetals useful as fungicides'1991 4,987,143'1-hydroxy-1,2,4-triazole compounds useful as fungicides'1991 4,957,937'Substituted N-hydroxypyrazoles and fungicides which contain these compounds'1990 4,945,166'Preparation of N-hydroxypyrazoles'1990 4,945,167'Preparation of N-hydroxypyrazoles'1990 4,888,412'Tanning assistant'1989 4,886,882'Hydroxyoxaalkylmelamines'1989 4,754,044'Preparation of ketene O,N-acetals'1988 4,670,558'Aminoalkylmelamines'1987 4,668,785'Preparation of (2-hydroxyethyl)-melamines and their use as modifiers in the preparation of aminoplast resins'1987 4,618,676'Preparation of N,N\',N\"-tris-(2-hydroxypropyl)-melamine'1986 4,603,224'Preparation of ketene O,O-acetals'1986 4,550,173'Ditriazolylvinyl phenyl ketones'1985 4,539,160'Ketene O,O-acetals and their preparation'1985 4,447,448'Wood preservative'1984 4,395,535'Process for the manufacture of phenol-isobutyraldehyde condensation products'1983 4,324,793'4-Nitro-2-trichloromethylphenyl disulfides'1982 4,301,157'Thiolphosphoric acid-S-4-nitro-2-trichloromethylphenyl esters as fungicides'1981 4,261,924'4-Nitro-2-trichloromethylphenylsulfenamides'1981 4,260,532'Aqueous isocyanate emulsions prepared with polyglycol and polymerized unsaturated acid amide'1981 4,163,020'2-Trichloromethyl-4-nitrobenzenesulfenic acid derivatives'1979 4,158,001'Triorganotin compounds of hydroxydiazenium oxides and fungicidal uses thereof'1979 4,143,153'Fungicide for wood preservation employing complexed heavy metal salts of N-nitroso-N-cyclohexylhydroxylamine'1979 4,117,150'Furan derivatives'1978 4,104,374'Wood preservative'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2000Patents assigned to BASF AG (69)· patent assignee history

1978–1996Based in Ziegelhausen, DE· patent location history

1981–2000Based in Heidelberg, DE· patent location history

1993Patents assigned to WOLMAN GMBH DR (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	69	1978–2000
WOLMAN GMBH DR	2	1993

Locations

Location	Patents	Span
Heidelberg, DE	59	1981–2000
Ziegelhausen, DE	12	1978–1996