IP Library › Assignment 009227/0129
Patent Assignment
Reel/Frame 009227/0129

Merger

Recorded: 1998-04-24 Pages: 11
Assignor
Assignee
M-I L.L.C., A DELAWARE LIMITED LIABILITY COMPANY
SUITE 856, P.O. BOX 42842, HOUSTON, TEXAS, 77242
Covered Properties (9)
Amide Resin for Oil Based Drilling Fluids
Patent: 4,816,551 →
Application: 07/028,423 →
Compositions for Oil-Base Drilling Fluids
Patent: 935 →
Application: 07/435,072 →
Water Wash/Oil Wash Cyclonic Column Tank Separation System
Patent: 5,090,498 →
Application: 07/541,887 →
Water Based Synthetic Hydrocarbon Drilling Fluid and Spotting Fluid
Patent: 1,000 →
Application: 07/568,074 →
Aqueous Based Drilling Fluid
Patent: 5,134,118 →
Application: 07/659,826 →
Drilling Fluid Additive and Method for Inhibiting Hydration
Patent: 5,149,690 →
Application: 07/783,368 →
Drilling Fluid Additive and Method for Inhibiting Hydration
Patent: 5,350,740 →
Application: 08/059,453 →
Drilling Fluid Additive and Method for Inhibiting Hydration
Patent: 5,424,284 →
Application: 08/087,458 →
Glycols as Internal Phase in Oil Well Drilling Fluids
Patent: 1,611 →
Application: 08/147,743 →
Related Assignments (10)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. May 19, 1987
From: OEHLER, HARRIS A.; MC LAURINE, HENRY C.; GRANTHAM, CHARLES K.
To: MI DRILLING FLUIDS COMPANY
Reel/Frame 004715/0374 →
Assignment of Assignors Interest. Nov 13, 1989
From: RINES, STEVEN P.
To: M-I DRILLING FLUIDS COMPANY
Reel/Frame 005177/0126 →
Assignment of Assignors Interest. Aug 16, 1990
From: PATEL, ARVIND D.; MC GLOTHLIN, RAYMOND E.
To: M-I DRILLING FLUIDS COMPANY
Reel/Frame 005410/0550 →
Assignment of Assignors Interest. Feb 22, 1991
From: PATEL, ARVIND D.; MC LAURINE, HENRY C.
To: M-I DRILLING FLUIDS COMPANY, 5950 NORTH COURSE HOUSTON, TX 77072 A GENERAL PARTNERSHIP
Reel/Frame 005615/0914 →
Assignment of Assignors Interest. Oct 28, 1991
From: PATEL, ARVIND D.; MC LAURINE, HENRY C.
To: M-I DRILLING FLUIDS COMPANY A TX GENERAL PARTNERSHIP
Reel/Frame 005911/0636 →
Assignment of Assignor's Interest May 7, 1993
From: PATEL, ARVIND D.; MCLAURINE, HENRY C.
To: M-I DRILLING FLUIDS COMPANY
Reel/Frame 006542/0364 →
Assignment of Assignor's Interest Aug 20, 1993
From: PATEL, ARVIND D.; MCLAURINE, HENRY C.
To: M-I DRILLING FLUIDS COMPANY
Reel/Frame 006678/0950 →
Assignment of Assignor's Interest Nov 4, 1993
From: PATEL, ARVIND D.
To: M-I DRILLING FLUIDS COMPANY
Reel/Frame 006755/0856 →
Assignment of Assignor's Interest Oct 26, 2010
From: M-I HOLDINGS L.L.C.
To: M-I L.L.C.
Reel/Frame 025192/0491 →
Change of Name Oct 26, 2010
From: M-I L.L.C.
To: M-I HOLDINGS L.L.C.
Reel/Frame 025192/0511 →