IP Library › Assignment 025408/0692
Patent Assignment
Reel/Frame 025408/0692

Assignment of Assignor's Interest

Recorded: 2010-11-19 Pages: 4
Assignor
REY, PAUL
Executed: 2010-11-12
Assignee
KROFF CHEMICAL COMPANY
12 FEDERAL STREET, ONE NORTH SHORE CENTER, SUITE 450, PITTSBURGH, PENNSYLVANIA, 15212
Covered Property (1)
Methods of Treating Flowback Water
Patent: 8,871,691 →
Application: 12/794,550 →
Publication: US 2010/0307753
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 8, 2010
From: THE NATIONAL COLLOID COMPANY
To: KROFF CHEMICAL COMPANY
Reel/Frame 024950/0414 →
Assignment of Assignor's Interest Nov 5, 2010
From: REY, SUSAN
To: THE NATIONAL COLLOID COMPANY
Reel/Frame 025325/0516 →
Assignment of Assignor's Interest Dec 16, 2011
From: GROTTENTHALER, DAVID A.
To: KROFF CHEMICAL COMPANY
Reel/Frame 027402/0926 →