LexDanaLexDanabeta
Inventor

Bernhard Hierholzer

Inventor
Frankfurt am Main, DE

Overview

3→
Patents
1998–1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Dprimary
C07DHeterocyclic compounds40%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
5,955,041'Natural circulation reactor and use for producing linear and cyclic acetals'19995,942,586'Catalyst for the polymerization of olefins, process for its preparation and its use'19995,766,424'Process for removing trioxane from an aqueous mixture'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Patents assigned to HOECHST AG (2)· patent assignee history
1998–1999Based in Frankfurt am Main, DE· patent location history
1999Patents assigned to TARGOR GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOECHST AG21998–1999
TARGOR GMBH11999
Locations
LocationPatentsSpan
Frankfurt am Main, DE31998–1999