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Inventor

Wolfgang Hater

Inventor
Kaarst, DE

Overview

3→
Patents
1996–2019
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.

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge33%
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
C23FNon-mechanical removal of metallic material from surface17%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
PatentTitleYear
10,287,199Use of phosphotartaric acid and the salts thereof for the treatment of water in water-conducting systems20196,616,851'System and method for treating water circulating in open-circuit cooling systems'20035,503,682'Process for degreasing and cleaning metal surfaces'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to HENKEL KGAA (1)· patent assignee history
1996Based in Duesseldorf, DE· patent location history
2003Patents assigned to COGNIS DEUTSCHLAND GMBH (1)· patent assignee history
2003–2019Based in Kaarst, DE· patent location history
2019Patents assigned to KURITA WATER IND LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COGNIS DEUTSCHLAND GMBH12003
HENKEL KGAA11996
KURITA WATER IND LTD12019
Locations
LocationPatentsSpan
Kaarst, DE22003–2019
Duesseldorf, DE11996