Kurkal-Siebert; Vandana

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kurkal-Siebert; Vandana.The latest application filed is for "acrylic acid polymers neutralized with sodium and calcium ions and having a narrow molecular weight distribution".

Company Profile

5.10.10

Kurkal-Siebert; Vandana - Ludwigshafen DE
Kurkal-Siebert; Vandana - Heidelberg DE
- Heidelberg DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Acrylic acid polymers neutralized with sodium and calcium ions and having a narrow molecular weight distribution Grant 10,968,295 - Leifeld , et al. April 6, 2	2021-04-06
Process for treating subterranean oil-bearing formations comprising carbonate rocks Grant 10,494,907 - Kurkal-Siebert , et al. De	2019-12-03
Acrylic Acid Polymers Neutralized With Sodium And Calcium Ions And Having A Narrow Molecular Weight Distribution App 20190276568 - Leifeld; Ferdinand ; et al.	2019-09-12
Composition comprising active ingredient, oil and ionic liquid Grant 9,949,475 - Kurkal-Siebert , et al. April 24, 2	2018-04-24
Method of fracturing a subterranean formation with use flowback aids Grant 9,701,891 - Kurkal-Siebert , et al. July 11, 2	2017-07-11
Process for water wetting oil-wet surfaces Grant 9,689,244 - Kurkal-Siebert , et al. June 27, 2	2017-06-27
Agroformulation comprising copolymer of acrylic acid, poly(alkylene glycol) (meth)acrylate, and alkyl (meth)acrylate Grant 9,374,996 - Mertoglu , et al. June 28, 2	2016-06-28
Use of tris(2-hydroxyphenyl)methane derivatives for tertiary mineral oil production Grant 9,212,545 - Oetter , et al. December 15, 2	2015-12-15
Method Of Fracturing Subterranean Formations App 20150353815 - KURKAL-SIEBERT; Vandana ; et al.	2015-12-10
Process For Treating Subterranean Oil-bearing Formations Comprising Carbonate Rocks App 20150354332 - KURKAL-SIEBERT; Vandana ; et al.	2015-12-10
Agroformulation comprising copolymer of acrylic acid, poly(alkylene glycol) (meth)acrylate, and alkyl (meth)acrylate App 20150126363 - Mertoglu; Murat ; et al.	2015-05-07
Composition Comprising Active Ingredient, Oil And Ionic Liquid App 20150004109 - Kurkal-Siebert; Vandana ; et al.	2015-01-01
Derivatives of tris(2-hydroxyphenyl)methane, their preparation and use Grant 08618321 -	2013-12-31
Derivatives of tris(2-hydroxyphenyl)methane, their preparation and use Grant 8,618,321 - Garcia , et al. December 31, 2	2013-12-31
Process for Water Wetting Oil-Wet Surfaces App 20130312975 - Kurkal-Siebert; Vandana ; et al.	2013-11-28
Use Of Tris(2-hydroxyphenyl)methane Derivatives For Tertiary Mineral Oil Production App 20130098609 - Oetter; Gunter ; et al.	2013-04-25
Compositions Comprising Alkylalkoxysulfonates For The Production Of High Temperature Stable Foams App 20120220502 - Jurgenson; Gabriela Alvarez ; et al.	2012-08-30
Derivatives Of Tris(2-hydroxyphenyl)methane, Their Preparation And Use App 20110288322 - Garcia; Marta Reinoso ; et al.	2011-11-24

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