IP Library Assignment 073210/0029
Patent Assignment
Reel/Frame 073210/0029

Assignment of Assignor's Interest

Recorded: 2025-12-14 Pages: 5
Assignor
TOUGAS OILFIELD SOLUTIONS GMBH
Executed: 2025-09-28
Assignee
TOUGAS HOLDING GMBH
WEISSMULLERSTRASSE 50, FRANKFURT, 60314, GERMANY
Covered Properties (11)
Method for Manufacturing of Stable Inverse Polymer Emulsion and Use Thereof
Application: 17/352,893 →
Publication: US 2022/0144991
Inverse Polymer Emulsion with Specific Emulsifier Package for Polymer Flooding
Application: 18/976,385 →
Publication: US 2025/0101292
Manufacturing Method for Inverse Emulsion Polymer
Application: 17/429,149 →
Publication: US 2022/0081495
Stabilized Aqueous Polymer Compositions
Patent: 7,842,741 →
Application: 12/321,552 →
Publication: US 2009/0192055
Stabilized Aqueous Polymer Compositions and Their Use
Patent: 8,962,715 →
Application: 12/586,051 →
Publication: US 2010/0075871
Temperature-Stable, Electrolytic Hydrogel and Method for Stimulating Crude Oil and Natural Gas Deposits
Patent: 9,688,908 →
Application: 14/890,196 →
Publication: US 2016/0122627
Method to Reduce the Water Loss in Slurries or Solutions Used in Oil Field and Gas Field Operations
Application: 15/121,399 →
Publication: US 2016/0362335
Method for Reducing the Viscosity of Viscosified Fluids for Applications in Natural Gas and Oil Fields
Application: 15/776,991 →
Publication: US 2018/0346803
Method for Reducing the Viscosity of Viscosified Fluids for Applications in Natural Gas and Oil Fields
Application: 15/777,042 →
Publication: US 2018/0327655
A Method to Produce a Scale Inhibitor
Application: 16/619,971 →
Publication: US 2020/0199439
Inverse Polymer Emulsion with Specific Emulsifier Package for Polymer Flooding
Application: 17/416,840 →
Publication: US 2022/0081607
Related Assignments (15)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 22, 2009
From: ENGELHARDT, FRIEDRICH; BREMER, CHRISTIAN; OBERMULLER, ANJA; CHRISTIAN, JOACHIM
To: ALLESSA CHEMIE GMBH
Reel/Frame 022581/0666 →
Assignment of Assignor's Interest Oct 23, 2009
From: ENGELHARDT, FRIEDRICH; SPIELMANN, WERNER; BREMAR, CHRISIAN; OBERMULLER, AMJA
To: ALLESSA CHEMIE GMBH
Reel/Frame 023416/0218 →
Change of Name Apr 4, 2013
From: ALLESSACHEMIE GMBH
To: ALLESSA GMBH
Reel/Frame 030149/0490 →
Change of Name Apr 10, 2013
From: ALLESSACHEMIE GMBH
To: ALLESSA GMBH
Reel/Frame 030183/0522 →
Assignment of Assignor's Interest Aug 6, 2013
From: ALLESSA GMBH
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 031040/0184 →
Assignment of Assignor's Interest Aug 6, 2013
From: ALLESSA GMBH
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 031040/0187 →
Assignment of Assignor's Interest Nov 13, 2015
From: DUGONJIC-BILIC, FATIMA; USENER, CAROLIN; NEUBER, MARITA; PFAHLS, MARGARETHE
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 037033/0844 →
Assignment of Assignor's Interest Dec 28, 2016
From: DUGONJIC-BILIC, FATIMA; MEURER; NÉE BÜHLER, JASMIN; NEUBER, MARITA
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 040784/0396 →
Assignment of Assignor's Interest Aug 7, 2018
From: DUGONJIC-BILIC, FATIMA; MEURER, JASMIN; NEUBER, MARITA
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 046571/0988 →
Assignment of Assignor's Interest Aug 7, 2018
From: DUGONJIC-BILIC, FATIMA; MEURER, JASMIN; NEUBER, MARITA
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 046568/0196 →
Assignment of Assignor's Interest Dec 19, 2019
From: DUGONJIC-BILIC, FATIMA; GERLACH, BENJAMIN; MEURER, JASMIN; NEUBER, MARITA
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 051328/0916 →
Assignment of Assignor's Interest Aug 6, 2021
From: DUGONJIC-BILIC, FATIMA; NEUBER, MARITA
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 057105/0306 →
Assignment of Assignor's Interest Aug 13, 2021
From: DUGONJIC-BILIC, FATIMA; GERLACH, BENJAMIN; NEUBER, MARITA
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 057174/0672 →
Assignment of Assignor's Interest Aug 13, 2021
From: DUGONJIC-BILIC, FATIMA; NEUBER, MARITA
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 057170/0066 →
Assignment of Assignor's Interest Dec 15, 2025
From: DUGONJIC-BILIC, FATIMA; GERLACH, BENJAMIN; NEUBER, MARITA
To: TOUGAS OILFIELD SOLUTIONS GMBH
Reel/Frame 073212/0029 →