IP Library › Assignment 014183/0643
Patent Assignment
Reel/Frame 014183/0643

Assignment of Assignor's Interest

Recorded: 2003-06-19 Pages: 5
Assignors
HANLEY, WILLIAM
Executed: 2003-05-07
CONSTANTINER, DANIEL
Executed: 2003-05-20
GOLDBRUNNER, JOHANN
Executed: 2003-05-09
Assignee
MBT HOLDING AG
VULKANSTRASSE 110, ZURICH, CH-8048, GERMANY
Covered Property (1)
Retarder for Calcium Sulfoaluminate Cements
Patent: 6,818,057 →
Application: 10/378,447 →
Publication: US 2003/0233961
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 19, 2003
From: DEGUSSA CONSTRUCTION CHEMICALS (EUROPE) AG FORMERLY KNOWN AS MBT HOLDING AG
To: CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
Reel/Frame 014788/0877 →