Inventor

Guenter Weidenbach

Inventor

Hanover, DE

Overview

5→

Patents

1977–1992

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 as inventor

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

B01Jprimary

B01JChemical or physical processes, e.g. catalysis or colloid chemistry22%

B01DSeparation11%

C07HSugars11%

C12NMicroorganisms or enzymes11%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture11%

C23CCoating metallic material11%

Y02ATechnologies for adaptation to climate change11%

Y02TClimate change mitigation technologies related to transportation11%

PatentTitleYear

5,175,020'Process for depositing a layer containing boron and nitrogen'1992 4,665,025'Process for the preparation of isoglucose'1987 4,230,803'Preparation of water-insoluble enzyme compositions'1980 4,061,713'Purification of exhaust gases'1977 4,013,587'Process for the manufacture of spherical alumina-containing particles'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1987Patents assigned to KALI CHEMIE AG (4)· patent assignee history

1977Based in Hannover, DE· patent location history

1980–1992Based in Hanover, DE· patent location history

1992Patents assigned to SOLVAY DEUTSCHLAND (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KALI CHEMIE AG	4	1977–1987
SOLVAY DEUTSCHLAND	1	1992

Locations

Location	Patents	Span
Hanover, DE	3	1980–1992
Hannover, DE	2	1977