Inventor

Bernardus A. Oude Alink

Inventor

St. Louis, MO, US

Overview

56→

Patents

1976–2002

Patent span

Chemistry

Primary field (CPC C)

Patents· 56 as inventor

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

C07Dprimary

C07DHeterocyclic compounds29%

C23FNon-mechanical removal of metallic material from surface21%

C09KMaterials for miscellaneous applications, not provided for elsewhere14%

C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

C10LFuels not otherwise provided for5%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%

A01NPreservation of bodies of humans or animals or plants or parts thereof2%

A61KPreparations for medical, dental or toiletry purposes1%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds1%

PatentTitleYear

6,419,857'Thiazolidines and use thereof for corrosion inhibition'2002 5,840,942'Catalyzed synthesis of aryl-substituted fatty acids and fatty esters and compositions related thereto'1998 5,785,895'Biodegradable corrosion inhibitors of low toxicity'1998 5,582,792'Corrosion inhibition by ethoxylated fatty amine salts of maleated unsaturated acids'1996 5,456,767'Corrosion inhibition with bilayer-forming surfactants'1995 5,393,464'Biodegradable corrosion inhibitors of low toxicity'1995 5,336,441'Corrosion inhibition in highly acidic environments by use of pyridine salts in combination with certain cationic surfactants'1994 5,252,289'Water soluble 1,2-dithio-3-thiones'1993 5,197,545'Volatile corrosion inhibitors for gas lift'1993 4,981,609'Compounds containing sulfur and amino groups'1991 4,973,710'Water soluble 1,2-dithio-3-thiones'1990 4,843,176'Compounds containing sulfur and amino groups'1989 4,757,147'Preparation of diamines from aldehydes and ammonia'1988 4,684,507'Process of corrosion inhibition using compounds containing sulfur and amino groups'1987 4,678,638'Highly branched amino hexahydropyridines'1987 4,665,180'Substituted tetrahydropyrimidines and octahydrophenanthridines'1987 4,622,404'Imidazoline compounds containing sulfur and amino groups'1986 4,616,085'Thioethers of imidazolines'1986 4,564,707'Linear N,N\'-tetrasubstituted diamines and process for their preparation'1986 4,555,576'4,5-Dihydrothiazoles and preparation thereof'1985 4,539,404'Pyrimidines containing sulfur and amino groups as corrosion inhibitors'1985 4,511,480'Corrosion inhibition in deep gas wells by phosphate esters of poly-oxyalkylated thiols'1985 4,490,293'2,5,6,8,9-Penta-alkyl or penta-aralkyl-substituted 1,3,7-triazabicyclo(3,3,1) non-3-enes and trialkyl or triaralkyl-substituted tetrahydropyrimidines'1984 4,480,095'Hexahydropyrimidines and corresponding linear polyamines'1984 4,450,137'Processes for inhibiting corrosion using compounds containing sulfur and amino groups'1984 4,450,138'Processes for inhibiting corrosion using compounds containing sulfur and amino groups'1984 4,447,606'Hydroxy and hydroperoxy tetrahydropyrimidines'1984 4,443,609'Tetrahydrothiazole phosphonic acids or esters thereof'1984 4,393,026'Compounds containing sulfur and amino groups'1983 4,387,074'Polyols of tetrahydropyrimidines as corrosion inhibitors'1983 4,346,223'Preparation of perhydrophenanthridines'1982 4,343,930'Polymerized polyols of tetrahydropyrimidines'1982 4,343,941'Polyols of tetrahydropyrimidines'1982 4,332,967'Compounds containing sulfur and amino groups'1982 4,311,841'Process of preparing hexahydropyrimidines'1982 4,281,126'N-Substituted 1,2,3,4-tetrahydropyrimidines, Hexahydropyrimidines and process for their preparation'1981 4,220,785'Substituted pyridines'1980 4,212,843'.DELTA.-2 Tetrahydropyrimidines as corrosion inhibitors'1980 4,190,727'Dithioles'1980 4,179,570'Pyridines and dihydropyridines'1979 4,174,370'Substituted pyridines'1979 4,163,646'Fuel oils containing N,N-substituted diamines'1979 4,158,734'Substituted pyridines'1979 4,145,545'Process for preparing tetrahydropyrimidines'1979 4,113,730'Preparation of octahydrophenanthridines'1978 4,106,904'Substituted pyridines and dihydropyridines as corrosion inhibitors'1978 4,104,249'Hexahydropyrimidines as anti-oxidants in natural and synthetic rubbers'1978 4,085,105'Hexahydropyrimidines'1978 4,040,799'Cyclohexlamines used as fuel additives'1977 4,022,785'Substituted pyridines and dihydropyridines'1977 3,994,975'Cyclohexylamines'1976 3,984,203'Process of using thiophosphates as corrosion inhibitors for metals in aqueous acid systems'1976 3,957,925'Thiophosphates'1976 3,936,279'Hexahydropyrimidines as fuel additives'1976 3,935,215'Process of reverting thiophosphates'1976 3,931,191'Conversion of tetrahydropyrimidines to pyridines'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1998Patents assigned to PETROLITE CORP (53)· patent assignee history

1976–1998Based in St. Louis, MO, US· patent location history

1998–2002Patents assigned to BAKER HUGHES INC (2)· patent assignee history

2002Based in Sugar Land, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PETROLITE CORP	53	1976–1998
BAKER HUGHES INC	2	1998–2002

Locations

Location	Patents	Span
St. Louis, MO, US	55	1976–1998
Sugar Land, Texas, US	1	2002