Patent Assignment
Reel/Frame 004865/0142
Assignment of Assignors Interest.
Recorded: 1988-05-06
Pages: 1
Assignor
WELSH, WILLIAM A.
Executed: 1987-06-02
Assignee
W.R. GRACE & CO.
1114 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Method for Refining Glyceride Oils Using Partially Dried Amorphous Silica Hydrogels
Patent:
4,880,574 →
Application:
06/934,058 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.