IP Library › Assignment 004591/0915
Patent Assignment
Reel/Frame 004591/0915

Assignment of Assignors Interest.

Recorded: 1986-08-14 Pages: 1
Assignor
EMMONS, DANIEL H.
Executed: 1986-08-07
Assignee
Covered Property (1)
Low Molecular Weight Polyvinyl Sulfonate for Low Ph Barium Sulfate Scale Control
Patent: 4,710,303 →
Application: 06/896,354 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 2, 1996
From: NALCO CHEMICAL COMPANY
To: NALCO/EXXON ENERGY CHEMICALS, LP
Reel/Frame 007961/0294 →
Change of Name Dec 7, 2001
From: NALCO/EXXON ENERGY CHEMICALS, L.P.
To: ONDEO NALCO ENERGY SERVICES, L.P.
Reel/Frame 012312/0854 →