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Inventor

Karl-Heinz Fazniewscy

Inventor
Lehrte, DE

Overview

3→
Patents
1993–1994
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 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 chemistry50%
C07CAcyclic or carbocyclic compounds50%
PatentTitleYear
5,336,817'Method of preparing 1,1,1,2-tetrafluoroethane'19945,283,381'Process for preparing fluorine-containing ethane derivatives'19945,227,546'Process for preparing fluorine-containing ethane derivatives'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1994Patents assigned to SOLVAY FLUOR & DERIVATE (3)· patent assignee history
1993–1994Based in Lehrte, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SOLVAY FLUOR & DERIVATE31993–1994
Locations
LocationPatentsSpan
Lehrte, DE31993–1994