Patent Assignment
Reel/Frame 051293/0961
Change of Name
Recorded: 2019-12-16
Pages: 16
Assignor
WINTERSHALL HOLDING GMBH
Executed: 2019-08-22
Assignee
WINTERSHALL DEA GMBH
FRIEDRICH-EBERT-STRABE 160, KASSEL, 34119, GERMANY
Covered Property
(1)
Method of Reducing Zone Permeability by in-Situ Formation Gel of Urotropin and Urea in an Aqueous Solution
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.