Inventor

Hans Fernholz

Inventor

Taunus, DE

Overview

1976–1987

Patent span

Chemistry

Primary field (CPC C)

Patents· 14 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds48%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry24%

C07DHeterocyclic compounds12%

Y02PClimate change mitigation technologies in the production or processing of goods8%

A21DTreatment of flour or dough for baking, e.g. by addition of materials4%

A23BPreservation of foods, foodstuffs or non-alcoholic beverages4%

PatentTitleYear

4,668,819'Process for the manufacture of unsaturated esters of carboxylic acids'1987 4,140,865'Process for the manufacture of vinyl acetic acid'1979 4,133,962'Process for the preparation of carboxylic acid alkenyl esters'1979 4,132,733'Process for the manufacture of an addition compound of sorbic acid and potassium sorbate (potassium disorbate)'1979 4,096,156'Process for the catalytic manufacture of .gamma.-butyrolactone'1978 4,093,559'Process for the preparation of a palladium catalyst'1978 4,092,267'Process for regenerating palladium catalysts'1978 4,018,833'Preparing resorcinols from .delta.-ketocarboxylic acids or from their lactones'1977 3,997,598'Process for purifying sorbic acid'1976 3,980,671'Process for the manufacture of vinyl acetic acid and optionally of .gamma.- b'1976 3,950,400'Process for the oxacylation of olefins in the gaseous phase'1976 3,939,199'Oxacylation of olefins in the gaseous phase'1976 3,935,274'Process for the continuous preparation of hydroxypivaldehyde'1976 3,934,045'Process for preserving bread and bakery products with sorbic acid'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to HOECHST AG (14)· patent assignee history

1976–1979Based in Taunus, DE· patent location history

1979–1987Based in Oberraden, DE· patent location history

1979Based in Kelkheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HOECHST AG	14	1976–1987

Locations

Location	Patents	Span
Taunus, DE	11	1976–1979
Oberraden, DE	2	1979–1987
Kelkheim, DE	1	1979