Inventor

Martin A. Zeitlin

Inventor

Naperville, IL, US

Overview

1981–1998

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds73%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%

B01DSeparation7%

Y02PClimate change mitigation technologies in the production or processing of goods7%

PatentTitleYear

5,770,764'Process for preparing purified aromatic polycarboxylic acids'1998 5,292,934'Method for preparing aromatic carboxylic acids'1994 5,262,560'Process for preparing purified dimethyl naphthalenedicarboxylate'1993 5,118,838'By-product recovery when oxidizing polymethylbenzenes to polycarboxylic acids'1992 5,099,064'Method for increasing conversion efficiency for oxidation of an alkyl aromatic compound to an aromatic carboxylic acid'1992 5,095,146'Water addition to crystallization train to purify terephthalic acid product'1992 4,835,307'Method and apparatus for controlling the manufacture of terephthalic acid to control the level and variability of the contaminant content and the optical density'1989 4,777,287'Recycle of vaporized solvent in liquid phase oxidation of an alkyl aromatic'1988 4,500,732'Process for removal and recycle of p-toluic acid from terephthalic acid crystallizer solvent'1985 4,338,464'Removal of bromobutanone from acetic acid'1982 4,278,503'Low bromine content glacial acetic acid'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1985Patents assigned to STANDARD OIL CO INDIANA (3)· patent assignee history

1981–1998Based in Naperville, IL, US· patent location history

1988–1998Patents assigned to AMOCO CORP (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AMOCO CORP	8	1988–1998
STANDARD OIL CO INDIANA	3	1981–1985

Locations

Location	Patents	Span
Naperville, Illinois, US	11	1981–1998