Patent Assignment
Reel/Frame 004211/0020
Assignment of Assignors Interest.
Recorded: 1984-01-09
Pages: 3
Assignor
PPG INDUSTRIES, INC.
Executed: 1983-12-21
Assignee
ASHLAND OIL, INC.
ASHLAND, KENTUCKY
Covered Properties
(3)
Title Not Available
Application:
05/576,915 →
Low Smoke Density Fire-Retardant Resins
Patent:
4,246,163 →
Application:
05/764,247 →
Compositions Thickened Through Urethane Reaction
Application:
06/500,585 →
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 2, 1983
From: MAZZA, GLENN L.; PALERMO, ANTHONY C.; CHRISTENSON, ROGER M.
To: PPG INDUSTRIES, INC.
Reel/Frame 004135/0656 →
Change of Name
Mar 13, 1995
From: ASHLAND OIL, INC. (A KENTUCKY CORPORATION)
To: ASHLAND INC. (A KENTUCKY CORPORATION)
Reel/Frame 007378/0147 →