IP Library › Assignment 004739/0699
Patent Assignment
Reel/Frame 004739/0699

Assignment of Assignors Interest.

Recorded: 1987-06-30 Pages: 1
Assignors
STAUTZENBERGER, A. LEE
Executed: 1987-06-24
LANGFORD, ELLEN A.
Executed: 1987-06-24
Assignee
Covered Property (1)
Purification of Diphenyl Phthalates
Patent: 4,766,236 →
Application: 07/068,584 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. Nov 19, 1987
From: CELANESE ENGINEERING RESINS, INC.
To: HOECHST CELANESE CORPORATION (HCC), A CORP. OF DE.
Reel/Frame 004827/0361 →