Patent Assignment
Reel/Frame 004048/0789
Assignment of Assignors Interest.
Recorded: 1982-10-04
Pages: 1
Assignee
ETHYL CORPORATION, A CORP OF DE
RICHMOND, VIRGINIA
Covered Property
(1)
Process for the Preparation of Pyrryl-2-Acetonitrile
Patent:
4,374,256 →
Application:
06/008,943 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.