Inventor

Wilhelm Gick

Inventor

Duisburg, DE

Overview

14→

Patents

1981–2001

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 compounds63%

B01DSeparation11%

C01BNon-metallic elements5%

C07BGeneral methods of organic chemistry5%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide5%

Y02PClimate change mitigation technologies in the production or processing of goods5%

PatentTitleYear

6,310,235'Method for producing ester plasticizers'2001 6,117,277'Process for the distillation of alcohols'2000 5,808,168'Process for the hydroformylation of olefinically unsaturated compounds'1998 5,041,228'Process for separating mixtures of substances contained in an aqueous or aqueous/organic solution'1991 4,879,418'Process for the preparation of aldehydes'1989 4,808,757'Process for the preparation of aldehydes'1989 4,808,758'Hydroformylation process'1989 4,801,754'Hydroformylation process'1989 4,711,648'Process for purification of gases'1987 4,684,750'Process for the production of 2-ethyl-hexanol'1987 4,593,126'Process for preparing aldehydes'1986 4,435,603'Method for preventing caking of polyols'1984 4,346,239'Process for the preparation of 2-methylene aldehydes'1982 4,283,564'Process for preparing methacrolein'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1989Patents assigned to RUHRCHEMIE AG (9)· patent assignee history

1981–2001Based in Duisburg, DE· patent location history

1982Based in Duisburg-Baerl, DE· patent location history

1989–1998Patents assigned to HOECHST AG (3)· patent assignee history

2000Patents assigned to CELANESE CHEM EUROPE GMBH (1)· patent assignee history

2001Patents assigned to CELANESE GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RUHRCHEMIE AG	9	1981–1989
HOECHST AG	3	1989–1998
CELANESE CHEM EUROPE GMBH	1	2000
CELANESE GMBH	1	2001

Locations

Location	Patents	Span
Duisburg, DE	13	1981–2001
Duisburg-Baerl, DE	1	1982