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Inventor

Hasso Spott

Inventor
Balkhausen, DE

Overview

3→
Patents
1976–1979
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.

C01Bprimary
C01BNon-metallic elements50%
C11DDetergent compositions25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
PatentTitleYear
4,180,471'Production of blends of crystalline zeolite and sodium triphosphate'19793,991,164'Process for the dearsenication of polyphosphoric acid'19763,956,462'Process utilizing waste material consisting substantially of phosphorous acid'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1979Patents assigned to HOECHST AG (3)· patent assignee history
1976Based in Erftstadt, DE· patent location history
1976Based in Turnich, DT· patent location history
1979Based in Balkhausen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOECHST AG31976–1979
Locations
LocationPatentsSpan
Balkhausen, DE11979
Erftstadt, DE11976
Turnich, DT11976