Patent Assignment
Reel/Frame 004006/0016
Assignment of Assignors Interest.
Recorded: 1982-04-26
Pages: 1
Assignor
LESTON, GERD
Executed: 1982-04-08
Assignee
KOPPERS COMPANY, INC.
KOPPERS BLDG, A CORP OF DE, PITTSBURGH, PENNSYLVANIA, 15219
Covered Property
(1)
Process for Separating T-Butylated Phenols
Patent:
4,423,253 →
Application:
06/372,056 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.