IP Library › Assignment 031949/0874
Patent Assignment
Reel/Frame 031949/0874

Assignment of Assignor's Interest

Recorded: 2014-01-13 Pages: 8
Assignors
HOWARD, SIV K.
Executed: 2011-08-31
DOWNS, JOHN
Executed: 2011-08-23
Assignee
CABOT CORPORATION
TWO SEAPORT LANE, SUITE 1300, BOSTON, MASSACHUSETTS, 02210
Covered Property (1)
Hydrocarbon-Based Drilling Fluids Containing Cesium Phosphate
Patent: 9,777,208 →
Application: 14/125,316 →
Publication: US 2014/0138160
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Receiving Party Data/Assignee from Cabot Corporation to Cabot Specialty Fluids, Inc. Previously Recorded on Reel 031949 Frame 0874. Assignor(S) Hereby Confirms the Assignment. Jan 28, 2014
From: HOWARD, SIV K.; DOWNS, JOHN
To: CABOT SPECIALTY FLUIDS, INC.
Reel/Frame 032132/0528 →
Change of Name Oct 23, 2019
From: CABOT SPECIALTY FLUIDS, INC.
To: SINOMINE RESOURCES (US) INC.
Reel/Frame 050801/0160 →