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Inventor

Edgar Wetzel

Inventor
Heusenstamm, DE

Overview

2→
Patents
1987–1992
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds100%
PatentTitleYear
5,116,518'Process for the purification of dimethyl terephthalate'19924,683,034'Process for separating dimethyl isophthalate and dimethyl orthophthalate from their mixture with dimethyl terephthalate'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1992Patents assigned to HOECHST AG (2)· patent assignee history
1987–1992Based in Heusenstamm, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOECHST AG21987–1992
Locations
LocationPatentsSpan
Heusenstamm, DE21987–1992