IP Library Assignment 019101/0802
Patent Assignment
Reel/Frame 019101/0802

Assignment of Assignor's Interest

Recorded: 2007-04-02 Pages: 3
Assignors
CHRISTEL, ANDREAS
Executed: 2007-03-19
FERREIRA, CLAUDEMIRO
Executed: 2007-03-12
Assignee
BUHLER AG
BAHNHOFSTRASSE, UZWIL, CH-9240, SWITZERLAND
Covered Property (1)
Solid-Phase Polycondensation of Polyester with Process Gas Purification
Patent: 7,819,942 →
Application: 11/660,776 →
Publication: US 2007/0255036
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 22, 2013
From: BÜHLER AG
To: BÜHLER THERMAL PROCESSES AG
Reel/Frame 031660/0660 →
Change of Name Jun 17, 2016
From: BÜHLER THERMAL PROCESSES AG
To: POLYMETRIX AG
Reel/Frame 039072/0674 →