Patent Assignment
Reel/Frame 068157/0195
Assignment of Assignor's Interest
Recorded: 2024-08-01
Pages: 12
Assignor
CLARIANT INTERNATIONAL LTD
Executed: 2023-03-31
Assignee
DORF KETAL ENERGY SERVICES LLC
1575 SAWDUST RD, SUITE 330, THE WOODLANDS, TEXAS, 77380
Covered Properties
(17)
Alkoxylated, Cross-Linked Polyglycerols and Use Thereof as Biodegradable Demulsifier
Thermally Stable Water-Soluble Polymer Which Is Crosslinkable at High Temperatures
Dispersions of Polymer Oil Additives
Olefinically Unsaturated Phosphonate Compounds, Polymers Made Therefrom and Their Use
Dispersions of Polymer Oil Additives
Well Service Fluid Composition and Method of Using Microemulsions as Flowback Aids
Liquid Inhibitor Composition And A Method For Its Preparation And Application As A Heavy Brine Corrosion Control
Liquid Inhibitor Composition And A Method For Its Preparation And Application As A Heavy Brine Corrosion Control
Composition And Method For Inhibition Of Sulfide Scales
Composition and Method for Scavenging Sulfides and Mercaptans
Process for Inhibition of Sulphide Scales
Method For Producing Polymers On The Basis Of Acryloyldimethyltaurate, Neutral Monomers, And Monomers With Carboxylate Groups
Synergized Hemiacetals Composition and Method for Scavenging Sulfides and Mercaptans
Water-Soluble Or Water-Swellable Polymers As Water Loss Reducers In Cement Slurries
Synergized Acetals Composition And Method For Scavenging Sulfides And Mercaptans
Demulsifiers And A Method Of Using Demulsifiers For Breaking Emulsions Of Water And Crude Oil
Synergized Acetals Composition and Method for Scavenging Sulfides and Mercaptans
Related Assignments
(25)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 20, 2005
From: KAYSER, CHRISTOPH; BOTTHOF, GERNOLD; TARDI, ARANKA; KRULL, MATTHIAS
To: CLARIANT GMBH
Reel/Frame 016801/0623 →
Assignment of Assignor's Interest
Dec 5, 2005
From: LEINWEBER, DIRK; SCHERL, FRANZ-XAVER; WASMUND, ELISABETH; RAUSCH, HEIDI
To: CLARIANT GMBH
Reel/Frame 017365/0302 →
Change of Name
Dec 15, 2006
From: CLARIANT GMBH
To: CLARIANT PRODUKTE (DEUTSCHLAND) GMBH
Reel/Frame 018640/0152 →
Assignment of Assignor's Interest
Jun 19, 2009
From: FEUSTEL, MICHAEL; KRULL, MATTHIAS; KAYSER, CHRISTOPH; LOEW, MARIO
To: CLARIANT FINANCE (BVI) LIMITED
Reel/Frame 022850/0619 →
Assignment of Assignor's Interest
Apr 20, 2011
From: HEATH, STEVE; MOIR, GORDON; ARCHIBALD, MARC; GOULDING, JOHN
To: CLARIANT FINANCE (BVI) LIMITED
Reel/Frame 026155/0051 →
Assignment of Assignor's Interest
Mar 8, 2013
From: FEUSTEL, MICHAEL; KRULL, MATTHIAS; KAYSER, CHRISTOPH; LOEW, MARIO
To: CLARIANT FINANCE (BVI) LIMITED
Reel/Frame 029955/0148 →
Assignment of Assignor's Interest
Sep 17, 2015
From: CLARIANT FINANCE (BVI) LIMITED
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 036593/0289 →
Assignment of Assignor's Interest
Nov 3, 2015
From: CLARIANT FINANCE (BVI) LIMITED
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 036949/0133 →
Assignment of Assignor's Interest
Dec 4, 2015
From: CLARIANT FINANCE (BVI) LIMITED
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 037212/0124 →
Assignment of Assignor's Interest
Mar 16, 2017
From: WYLDE, JONATHAN; MAHMOUDKHANI, AMIR; BAUER, MARTIN
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 041600/0941 →
Assignment of Assignor's Interest
Jun 8, 2017
From: OBEYESEKERE, NIHAL U.; ARIYARATNA, THENUKA; WYLDE, JONATHAN JAMES
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 042654/0018 →
Assignment of Assignor's Interest
Jun 8, 2017
From: OBEYESEKERE, NIHAL U.; ARIYARATNA, THENUKA; WYLDE, JONATHAN JAMES
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 042652/0672 →
Assignment of Assignor's Interest
Jun 27, 2017
From: CLARIANT FINANCE (BVI) LIMITED
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 042831/0282 →
Assignment of Assignor's Interest
Jun 27, 2017
From: TODD, MALCOM; STRACHAN, CATHERINE; MOIR, GORDON; GOULDING, JOHN
To: CLARIANT FINANCE (BVI) LIMITED
Reel/Frame 042831/0230 →
Assignment of Assignor's Interest
Sep 28, 2017
From: OKOCHA, CYRIL EMEKA; WYLDE, JONATHAN
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 043731/0728 →
Assignment of Assignor's Interest
Nov 15, 2017
From: WYLDE, JONATHAN JAMES
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 044137/0313 →
Assignment of Assignor's Interest
Dec 15, 2017
From: FISCHER, DIRK; KAYSER, CHRISTOPH; DIEMEL, CLAUDIA; BERZ, KATHARINA
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 044409/0253 →
Assignment of Assignor's Interest
Oct 1, 2018
From: 05/02/2018DE OLIVEIRA FILHO, ANTONIO PEDRO; KINA, ALINE
To: CLARIANT S.A.
Reel/Frame 047024/0552 →
Assignment of Assignor's Interest
Oct 1, 2018
From: TAYLOR, GRAHAME; WYLDE, JONATHAN JAMES
To: CLARIANT CORPORATION
Reel/Frame 047024/0253 →
Assignment of Assignor's Interest
Oct 1, 2018
From: CLARIANT CORPORATION
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 047025/0804 →
Assignment of Assignor's Interest
Oct 1, 2018
From: KRULL, MATTHIAS; SAHL, MIKE; MURISON, JULIE; HAUCK, STEFAN
To: CLARIANT PRODUKTE (DEUTSCHLAND) GMBH
Reel/Frame 047025/0595 →
Assignment of Assignor's Interest
Oct 1, 2018
From: CLARIANT S.A.
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 047025/0855 →
Assignment of Assignor's Interest
Oct 1, 2018
From: CLARIANT PRODUKTE (DEUTSCHLAND) GMBH
To: CLARIANT INTERNATIONAL LTD.
Reel/Frame 047025/0873 →
Assignment of Assignor's Interest
Dec 22, 2018
From: OLIVEIRA FILHO, ANTONIO PEDRO DE; KINA, ALINE; TAYLOR, GRAHAME; WYLDE, JONATHAN
To: CLARIANT INTERNATIONAL LTD.; CLARIANT S.A.
Reel/Frame 047847/0770 →
Assignment of Assignor's Interest
Jul 13, 2021
From: FISCHER, DIRK; KAYSER, CHRISTOPH; DIEMEL, CLAUDIA; TONHAUSER, JÜRGEN
To: CLARIANT INTERNATIONAL LTD
Reel/Frame 056844/0087 →