Inventor

Arthur R. Doumaux, Jr.

Inventor

Charleston, WV, US

Overview

19→

Patents

1982–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 19 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds56%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry22%

C07DHeterocyclic compounds13%

Y02PClimate change mitigation technologies in the production or processing of goods6%

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

PatentTitleYear

6,300,496'Processes for producing epsilon caprolactams'2001 5,362,700'Catalysts and process of making same for the production of linear polyamines'1994 5,231,230'Selective production of diethylenetriamine'1993 5,225,600'Amines catalysis using group VIB metal-containing condensation catalysts'1993 5,225,598'Selective production of linear pentaethylenehexamine and hydroxyethyldiethylenetriamine'1993 5,220,071'Selective production of pentaethylenehexamine and hydroxyethyltriethylenetetramine'1993 5,214,215'Selective production of aminoethylethanolamine'1993 5,214,213'Selective production of linear tetraethylenepentamine and hydroxyethyldiethylenetriamine'1993 5,210,306'Promoted amines catalysis'1993 5,202,492'Amines catalysis using metallic phosphate condensation catalysts having a cyclic structure'1993 5,202,489'Amines catalysis'1993 5,166,415'Selective production of diethylenetriamine and aminoethylethanolamine'1992 5,112,984'Processes for the preparation of cyclic nitrogen-containing compounds'1992 5,101,074'Vicinal di(hetro) alkylene organometalates and processes for the production of amines therewith'1992 4,983,736'Amines catalysis using metallic polyphosphate condensation catalysts having a condensed structure'1991 4,879,401'Process for removal of impurities in alkyl nitrite formation'1989 4,827,037'Quality of catalytically prepared polyalkylene polyamines'1989 4,629,806'Vapor state formation of diesters of oxalic acid'1986 4,353,843'Preparation of nitrite esters'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1989Patents assigned to UNION CARBIDE CORP (3)· patent assignee history

1982–2001Based in Charleston, WV, US· patent location history

1989–2001Patents assigned to UNION CARBIDE CHEM PLASTIC (16)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNION CARBIDE CHEM PLASTIC	16	1989–2001
UNION CARBIDE CORP	3	1982–1989

Locations

Location	Patents	Span
Charleston, WV, US	19	1982–2001