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Inventor

Hans Kyri

Inventor
Cologne, DE

Overview

3→
Patents
1977–1981
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.

C01Cprimary
C01CAmmonia20%
C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals20%
C02FTreatment of water, waste water, sewage, or sludge20%
C04BLime, magnesia20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
4,267,058'Precipitating agent for dephosphatizing effluent'19814,200,622'Purification of ammonium fluoride solutions'19804,040,850'Production of porous gypsum moldings'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1981Patents assigned to BAYER AG (3)· patent assignee history
1977–1981Based in Cologne, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAYER AG31977–1981
Locations
LocationPatentsSpan
Cologne, DE31977–1981