1
Anubhav Saxena
Anubhav Saxena, Monjit Phukan, Umapathy Senthilkumar, Ian Procter, Sigfredo Gonzalez, Kalman Koczo, Sabine Azouani, Vikram Kumar: Polyorganosiloxane demulsifier compositions and methods of making the same. Momentive Performance Materials, Dominick G Vicari, October 4, 2011: US08030363 (2 worldwide citation)

The invention relates to a method for separating emulsions of oil and water, the method comprising incorporating a demulsifying-effective amount of a polyorganosiloxane demulsifier into an emulsion comprising an oil phase and an aqueous phase. The invention also relates to compositions containing po ...


2
Anubhav Saxena
Benjamin Falk, Kalman Koczo, Monjit Phukan, Antonio Palumbo, Anubhav Saxena: Demulsifier compositions and methods for separating emulsions using the same. Momentive Performance Materials, Dominick G Vicari, June 12, 2012: US08198337 (1 worldwide citation)

The present invention provides for a demulsifying composition comprising a blend of a) an emulsion; and b) a demulsifying-effective amount of a non-crosslinked silicon polyether. The present invention also provides for a method for separating emulsions using the demulsifying composition discussed.


3
Anubhav Saxena
Monjit Phukan, Anubhav Saxena, Mayank Kumar Dubey, Antonio Palumbo, Kalman Koczo: Biodegradable polyorganosiloxane demulsifier composition and method for making the same. Momentive Performance Materials, Dominick G Vicari, Joseph S Ostroff, July 15, 2014: US08779012 (1 worldwide citation)

There is provided herein a demulsifying composition comprising at least one polyorganosiloxane compound having the general formula (I): M1aM2bD1cD2dT1eT2fQg  (I) wherein: M1=R1R2R3SiO1/2, M2=R4R5RLSiO1/2, D1=R6R7SiO2/2, D2=R8RLSiO2/2, T1=R9SiO3/2, T2=RLSiO3/2, Q=SiO4/2, where R1, R2, R3, R4, R5, R6, ...


4
Anubhav Saxena
Anubhav Saxena, Sandeep Naik, Pranav Ramchandra Joshi, Alok Sarkar, Monjit Phukan: Free radical polymerizable compositions comprising ionic silicones. Momentive Performance Materials, Dominick G Vicari, Joseph S Ostroff, September 16, 2014: US08835583

A composition including an actinic radiation or thermally curable polyorganosiloxane ionomer having one or more reactive groups, for example, vinyl, acrylate, epoxy groups.


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Anubhav Saxena, Monjit Phukan, Senthilkumar U, Ian Procter, Sigfredo Gonzalez, Kalman Koczo, Sabine Azouani, Vikram Kumar: Polyorganosiloxane demulsifier compositions and methods of making same. Momentive Performance Material, Dominick G Vicari, Kenneth S Wheelock, August 13, 2013: US08507565

The invention relates to a method for separating emulsions of oil and water, the method comprising incorporating a demulsifying-effective amount of a polyorganosiloxane demulsifier into an emulsion comprising an oil phase and an aqueous phase. The invention also relates to compositions containing po ...


6
Anubhav Saxena, Sandeep Shashikant Naik, Monjit Phukan, Shreedhar Bhat: Organo-modified silicone polymers and hydrogels comprising the same. MOMENTIVE PERFORMANCE MATERIALS, McDonald Hopkin, Joseph Ostroff, February 13, 2018: US09890234

A hydrophilic silicone polymer composition suitable for use in producing hydrogel polymer films disclosed. In one aspect, a hydrophilic silicone monomer is of the Formula 1: wAmBnw  (1) where A is a divalent block comprising a silicone-containing pendant group. In one embodiment, the silicone-contai ...


7
Monjit Phukan, Anubhav Saxena, Shreedhar Bhat: Hydrophilic macromers and hydrogels comprising the same. MOMENTIVE PERFORMANCE MATERIALS, Joseph Ostroff, McDonald Hopkins, October 31, 2017: US09804296

A hydrophilic silicone macromer composition suitable for use in producing hydrogel polymer films from which biomedical devices such as contact lenses can be made. The hydrophilic silicone macromer comprises a polyether backbone comprising a silicone-containing pendant group. In one aspect, a hydroph ...


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Neeraj Gupta, Karthikeyan Sivasubramanian, Monjit Phukan: Silicone epoxy ether compositions, methods for making same and uses therefor. MOMENTIVE PERFORMANCE MATERIALS, McDonald Hopkins, Joseph Waters, March 20, 2018: US09923243

The present invention relates to silicone epoxy compositions, methods for making same and uses therefore. In one embodiment, the silicone epoxy ether compositions of the present invention are silane epoxy polyethers that contain at least one epoxy functionality. In another embodiment, the silicone e ...


9
Anubhav Saxena, Monjit Phukan, Shreedhar Bhat, Kenrick M Lewis, Senthilkumar Umapathy: Hydrophilic macromers and hydrogels comprising the same. MOMENTIVE PERFORMANCE MATERIALS, Joseph Ostroff, McDonald Hopkins, October 16, 2018: US10101499

A composition, suitable for use in producing hydrogel polymer films from which biomedical devices such as contact lenses can be made, comprising at least one hydrophilic silicone macromer. In one aspect, a hydrophilic silicone macromer is of the Formula 1: X—Si(R1)(R2)O—(Si(R3)(R4)O)a—Si(R5)(R6)—Y   ...


10
Monjit Phukan, Anubhav Saxena, Ravikumar Kodagahally, Mark Leatherman: Silicon-containing zwitterionic linear copolymer composition. Momentive Performance Materials, Joseph S Ostroff, December 1, 2015: US09200119

A silicon-containing copolymer which includes zwitterionic linking groups with the general structures —N+(Y−)(Z)— or —N(Z*)— and repeating groups which can be divalent silicone moieties, divalent hydrocarbons or divalent polyethers. The copolymer can be used in personal care products, fertilizers an ...