Momentive Performance Materials Gmbh

Monjit Phukan

Anubhav Saxena

Kalman Koczo

Sandeep Naik

Shreedhar Bhat

Sigfredo Gonzalez

Tushar S Navale

Vikram Kumar

Mayank Dubey

Antonio Palumbo

Richard Anthony Presti

Sabine Isabelle Azouani

Ian Procter

Kenrick M Lewis

Mark Leatherman

Benjamin Falk

Anne Dussaud

Alok Sarkar

Pranav Ramchandra Joshi

Karthikeyan Sivasubramanian

Neeraj Gupta

Kunshan Sun

Umapathy Senthilkumar

Senthilkumar Umapathy

Amar Pawar

Nicholas Stasiak

Yun Huang

Vasuki Kaushik

Shrutisagar D Haveli

Ravikumar Kodagahally

Senthilkumar U

Dian Liu

Sabine Azouani

Majyank Kumar Dubey

A hydrophobic hybrid organosiloxane nano latex is provided as the copolymerizate of:

Composition comprising organosiloxane nano latex and preparation of organosiloxane nano latex

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&#x2014;Si(R)(R)O&#x2014;(Si(R)(R)O)&#x2014;Si(R)(R)&#x2014;Y&#x2003;&#x2003;(1)wherein R, R, RR, Rand Rare independently selected from a monovalent linear, branched, or cyclic radical with 1 to 50 carbon atoms, that can optionally contain a heteroatom or I; I is R&#x2014;R; Y is a free radical polymerization-effective hydrophilic group with the general structure: R&#x2014;R&#x2014;Z; Ris a linking residue from a non-isomerizable hydrosilylation effective terminal olefin comprising the general structure &#x2014;CH&#x2014;C(RR)&#x2014;(CRR), the subscript n is selected from integers from 1 to 10; R, R, and Rcan be selected from hydrogen and a mono-valent hydrocarbon radical with 1 to 10 carbon atoms that optionally contain a heteroatom; Ris selected from a monovalent hydrocarbon radical with 1 to 6 carbon atoms; Ris a spacer group comprising a diavelant hydrophilic organic radical with 0 to 100 carbon atoms and optionally contains heteroatoms, and X is a free radical polymerizable group. The said composition can be polymers and films suitable for use in making contact lenses.

Hydrophilic macromers and hydrogels comprising the same

The invention is directed to personal care compositions comprising an acid functionality bearing silicone neutralized in situ with at least one aminosilane or a partially hydrolyzed aminosilane. The invention provides better stability to formulation in addition to improved delivery of hydrophilic actives from the formulation.

Personal care compositions with acid functional silicone based structuring agents

A linear silicone polymer suitable for use in producing homopolymers, copolymers, polymerized emulsions, latex compositions, and hydrogel polymer films. In one aspect, a hydrophilic silicone monomer is of the Formula 1:WABW&#x2003;&#x2003;(1)Where, A is a divalent block comprising a silicone-containing pendant group. In one embodiment, the silicone-containing pendant group comprises polyalkylene oxide groups. The structure of the polymer can be controlled and tuned to provide a material with excellent wettability and oxygen permeability. The polymers are suitable for use in a variety of applications including in providing a film for forming contact lenses.

Organo-modified silicone polymers

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 epoxy ether compositions of the present invention are siloxane epoxy polyethers that contain at least one epoxy functionality. In still another embodiment, the present invention relates to silicone epoxy polyether compositions that are suitable for use as an electrolyte solvent in a lithium-based battery, an electrochemical super-capacitors or any other electrochemical device.

Silicone epoxy ether compositions, methods for making same and uses therefor

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:AB&#x2003;&#x2003;(1)where A is a divalent block comprising a silicone-containing pendant group. In one embodiment, the silicone-containing pendant group comprises polyalkylene oxide groups. The structure of the polymer can be controlled and tuned to provide a material with excellent wettability and oxygen permeability. The polymers are suitable for use in a variety of applications including in providing a film for forming contact lenses.

Organo-modified silicone polymers and hydrogels comprising the same

The invention is directed to a personal care composition which contains an ionically-modified cross-linked silicone network which is formed by the polymerization of a silicone polymer containing hydrosilylation effective unsaturated moiety, silyl hydride moiety and ionic radicals.

Personal care compositions containing crosslinked silicone polymer networks and their method of preparation

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 hydrophilic silicone macromer is of the Formula 1: The hydrophilic silicone macromer can be used to form a polymer and a hydrogel film suitable for forming contact lenses.

The invention is directed to a cosmetic which comprises an ionic silicone as described herein.

Cosmetic composition and method of preparation

The invention is directed to a cosmetic skin covering sheet which comprises a patch containing a cosmetic material for application to the skin or a cosmetic formulation which forms the cosmetic skin covering sheet in-situ upon topical application of the cosmetic formulation onto the skin, wherein each of said patch or cosmetic formulation comprises an ionic silicone as described herein.

Cosmetic skin covering sheets and their method of preparation

A silicon-containing copolymer which includes zwitterionic linking groups with the general structures &#x2014;N(Y)(Z)&#x2014; or &#x2014;N(Z*)&#x2014; and repeating groups which can be divalent silicone moieties, divalent hydrocarbons or divalent polyethers. The copolymer can be used in personal care products, fertilizers and other agricultural products, pesticides, antifouling agents, and various waterborne coating formulations.

Silicon-containing zwitterionic linear copolymer composition

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

Free radical polymerizable compositions comprising ionic silicones

There is provided herein a demulsifying composition comprising at least one polyorganosiloxane compound having the general formula (I):MMDDTTQ&#x2003;&#x2003;(I)wherein: M=RRRSiO, M=RRRSiO, D=RRSiO, D=RRSiO, T=RSiO, T=RSiO, Q=SiO, where R, R, R, R, R, R, R, Rand Rare each independently chosen from monovalent alkyl, aryl or aralkyl hydrocarbon radicals, or chosen from R; Ris a monovalent polyether radical independently of the general formula (II):&#x2014;(CH)&#x2014;O&#x2014;(CHO)&#x2014;(CHO)&#x2014;(CHO)&#x2014;R&#x2003;&#x2003;(II)Ris a monovalent radical independently chosen from the general formula (III):&#x2014;X&#x2014;O&#x2014;(CHO)&#x2014;(CHO)&#x2014;(CHO)&#x2014;{C(O)CHO}&#x2014;R&#x2003;&#x2003;(III) There is also provided herein a method for separating emulsions comprising combining the components of the demulsification composition into a mixture; allowing the mixture to separate into at least two phases and separating said at least two phases from each other.

Biodegradable polyorganosiloxane demulsifier composition and method for making the same

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 polyorganosiloxane demulsifier and the water and oil phases of an emulsion.

Polyorganosiloxane demulsifier compositions and methods of making same

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.

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Bengaluru, India

Monjit Phukan