Patent Assignment
Reel/Frame 010328/0428
Assignment of Assignor's Interest
Recorded: 1999-10-19
Pages: 5
Assignors
DING, YONG
Executed: 1999-09-13
BIKSON, BENJAMIN
Executed: 1999-09-13
NELSON, JOYCE KATZ
Executed: 1999-09-13
Assignee
PRAXAIR TECHNOLOGY, INC.
39 OLD RIDGEBURY ROAD, DANBURY, CONNECTICUT, 06810
Covered Property
(1)
Production and Use of Improved Polyimide Separation Membranes
Patent:
6,497,747 →
Application:
09/404,724 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.