Inventor

Theodore A. Koch

Inventor

Wilmington, DE, US

Overview

1976–2006

Patent span

Chemistry

Primary field (CPC C)

Patents· 22 as inventor

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry29%

C07CAcyclic or carbocyclic compounds27%

C01CAmmonia12%

C01BNon-metallic elements7%

B29BPreparation or pretreatment of the material to be shaped5%

C40BCombinatorial chemistry5%

B01DSeparation2%

C07DHeterocyclic compounds2%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general2%

H05BElectric heating2%

PatentTitleYear

7,070,743'Induction-heated reactors for gas phase catalyzed reactions'2006 6,841,507'Aminonitrile production'2005 6,733,692'Rhodium foam catalyst for the partial oxidation of hydrocarbons'2004 6,680,403'Process for hydrogenating dinitriles in aminonitriles'2004 6,376,714'Environmentally friendly process for the hydrogenation of dinitriles'2002 6,372,939'Production of 6-aminocaproic acid'2002 6,365,770'Production of alkyl 6-aminocaproate'2002 6,331,624'Process for preparing 6-aminocaproamide'2001 6,315,972'Gas phase catalyzed reactions'2001 6,258,745'Aminonitrile production'2001 6,159,895'Aramid polymer catalyst supports'2000 5,986,127'Aminonitrile production'1999 5,986,126'Process for the production of 6-aminocapronitrile and/or hexamethylenediamine'1999 5,958,273'Induction heated reactor apparatus'1999 5,900,511'Process for continuous hydrogenation of adiponitrile'1999 5,772,977'Anthraquinone process'1998 5,529,669'Apparatus and process for the preparation of hydrogen cyanide'1996 5,478,549'Production of nitric oxide'1995 5,470,541'Apparatus and process for the preparation of hydrogen cyanide'1995 5,393,393'Preparation of hydrogen cyanide'1995 5,314,673'Process for the conversion of N.sub.2 O'1994 3,950,414'Preparation of aromatic diacid chlorides'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2004Patents assigned to DU PONT (18)· patent assignee history

1976–2006Based in Wilmington, DE, US· patent location history

1999Patents assigned to E I DE PONT DE NEMOURS AND COM (1)· patent assignee history

2004Patents assigned to CONOCOPHILLIPS CO (1)· patent assignee history

2005–2006Patents assigned to INVISTA NORTH AMERICA SARL (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DU PONT	18	1976–2004
INVISTA NORTH AMERICA SARL	2	2005–2006
CONOCOPHILLIPS CO	1	2004
E I DE PONT DE NEMOURS AND COM	1	1999

Locations

Location	Patents	Span
Wilmington, Delaware, US	22	1976–2006