Patent Assignment
Reel/Frame 020793/0089
Assignment of Assignor's Interest
Recorded: 2008-04-12
Pages: 5
Assignors
ROHR, RODOLFO
Executed: 2008-02-25
NIKZAD, ALI
Executed: 2008-02-07
KUSZLIK, ANDRZEJ
Executed: 2008-02-07
Assignee
SULZER CHEMTECH AG
ZUCHERSTRASSE 14, WINTERTHUR, CH-8401, SWITZERLAND
Covered Property
(1)
Method and Device for Purifying High Melting Organic Raw Products or Compund Mixtures by Means of Fractionated Melting Crystallisation from Solvent Mixtures
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Assignee Previously Recorded on Reel 020793 Frame 0089. Assignor(S) Hereby Confirms the Assignment to Sulzer Chemtech Ag of Winterthur, Switzerland and Resitec Participacoes Ltda. of Campinas, Brazil.
Sep 23, 2011
From: ROHR, RODOLFO; NIKZAD, ALI; KUSZIK, ANDRZEJ
To: SULZER CHEMTECH AG; RESITEC PARTICIPACOES LTDA.
Reel/Frame 026955/0607 →
Assignment of Assignor's Interest
Aug 12, 2020
From: SULZER CHEMTECH AG.
To: SULZER MANAGEMENT AG.
Reel/Frame 053465/0614 →