IP Library › Assignment 014462/0055
Patent Assignment
Reel/Frame 014462/0055

Assignment of Assignor's Interest

Recorded: 2004-03-25 Pages: 3
Assignor
Assignee
COGNIS DEUTSCHLAND GMBH & CO. KG
HENKELSTRASSE 67, DUESSELDORF, 40589, GERMANY
Covered Properties (5)
Use of Selected Oleophilic Alcohols in Water-Based Drilling Fluids of the O/W-Emulsion Type and Corresponding Drilling Fluids with Improved Ecological Acceptability
Patent: 5,194,422 →
Application: 07/773,631 →
Oleophilic Basic Amine Compounds as an Additive for Invert Drilling Muds
Patent: 5,254,531 →
Application: 07/825,436 →
Esters of Carboxylic Acids of Medium Chain-Length as a Component of the Oil Phase in Invert Drilling Muds
Patent: 5,403,822 →
Application: 08/068,563 →
Use of Selected Ester Oils of Low Carboxylic Acids in Drilling Fluids
Patent: 5,318,954 →
Application: 08/084,783 →
Use of Hydroxycarboxylic Acid Esters as Thickeners
Patent: 6,710,082 →
Application: 09/194,824 →
Related Assignments (9)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest. Nov 15, 1991
From: MUELLER, HEINZ; HEROLD, CLAUS-PETER; VON TAPAVICZA, STEPHAN; FUES, JOHANN F.
To: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN (HENKEL KGAA) A CORPORATION OF THE FED. REP. OF GERMANY
Reel/Frame 006003/0248 →
Assignment of Assignor's Interest Jul 3, 1997
From: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN
To: BAROID LIMITED
Reel/Frame 008587/0112 →
Assignment of Assignor's Interest Jul 3, 1997
From: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN
To: BAROID LIMITED
Reel/Frame 008587/0106 →
Assignment of Assignor's Interest Jul 3, 1997
From: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN
To: BAROID LIMITED
Reel/Frame 008587/0115 →
Assignment of Assignor's Interest Jul 3, 1997
From: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN
To: BAROID LIMITED
Reel/Frame 008587/0118 →
Assignment of Assignor's Interest May 28, 1999
From: PI SUBIRANA, RAFAEL; PRAT QUERALT, ESTER; BIGORRA LLOSAS, JOAQUIM
To: HENKEL KOMMANDITOESELLSCHAFT AUF AKTIEN (HENKEL KGTAA)
Reel/Frame 009982/0460 →
Assignment of Assignor's Interest May 23, 2000
From: GRIMES, DOUGLAS JOHN
To: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN; BAROID LIMITED
Reel/Frame 010832/0696 →
Assignment of Assignor's Interest Feb 8, 2011
From: COGNIS DEUTSCHLAND GMBH & CO. KG
To: COGNIS OLEOCHEMICALS GMBH
Reel/Frame 025766/0308 →
Change of Name Feb 8, 2011
From: COGNIS OLEOCHEMICALS GMBH
To: EMERY OLEOCHEMICALS GMBH
Reel/Frame 025766/0142 →