IP Library › Assignment 004428/0275
Patent Assignment
Reel/Frame 004428/0275

Assignment of Assignors Interest.

Recorded: 1985-07-18 Pages: 1
Assignors
MERCHANT, PHILIP
Executed: 1984-07-18
LACY, SYLVIA M.
Executed: 1984-07-18
Assignee
Covered Property (1)
Water Based Demulsifier Formulation and Process for Its Use in Dewatering and Desalting Crude Hydrocarbon Oils
Patent: 4,551,239 →
Application: 06/631,980 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Dec 7, 2001
From: NALCO/EXXON ENERGY CHEMICALS, L.P.
To: ONDEO NALCO ENERGY SERVICES, L.P.
Reel/Frame 012312/0854 →