Lesley C Hwang

7432321, Oct 7, 2008

Jul 8, 2003

10/617165

Prashant G. Joshi - Ossining NY, US
Antonio Chaves - Chappaqua NY, US
Lesley Hwang - White Plains NY, US
Michael Stout - Brookfield CT, US
Martin Hofstetter - Bellrose Manor NY, US
Louis M. Panzer - Ridgefield CT, US

Momentive Performance Materials Inc. - Wilton CT

C08K 3/34

524492, 524493

A method for increasing the hardness of silica/rubber mixtures includes blending with the mixture at least one silane and a hardness-increasing amount of at least one member selected from the group consisting of thixotropic fumed silica, precipitated silica and an MQ resin, wherein Q is SiO, M is RRRSiO, and R,R,and Rare the same or different functional or non-functional organic groups, carbon black, a thermoplastic resin or a thermosetting resin.

7504456, Mar 17, 2009

Feb 21, 2006

11/358861

Antonio Chaves - Chappaqua NY, US
Eric R. Pohl - Mount Kisco NY, US
Linda Vecere - Fishkill NY, US
Lesley Hwang - Chappaqua NY, US
Robert Pickwell - Tonawanda NY, US

Momentive Performance Materials Inc. - Albany NY

C08L 9/00
C07F 7/08

524571, 524574, 524575, 428403, 428405, 556427, 556429, 556464

A rubber composition containing a rubber component, a filler and at least one organofunctional silane and/or mixture of organofunctional silanes in which individual silanes possess both free and blocked mercaptan functionality or particular mixtures of the organofunctional silanes possess both free and blocked mercaptan functionality. The organofunctional silanes and silane mixtures are useful, inter alia, as coupling agents for elastomeric compositions, e. g. , rubber formulations employed in the manufacture of tires, where they exhibit a desirable balance of low scorch and good performance properties.

7510670, Mar 31, 2009

Feb 21, 2006

11/358369

Antonio Chaves - Chappaqua NY, US
Eric R. Pohl - Mount Kisco NY, US
Linda Vecere - Fishkill NY, US
Lesley Hwang - Chappaqua NY, US

Momentive Performance Materials Inc. - Albany NY

C09K 3/00

2521823, 25218311, 25218313, 556427, 525105

Free flowing filler composition based on organofunctional silane and/or mixtures of organofunctional silanes possessing mercaptan and blocked mercaptan functionality. The invention also relates to articles of manufacture, particularly tires, made from the elastomer compositions described herein.

7718819, May 18, 2010

Feb 21, 2006

11/358818

Antonio Chaves - Chappaqua NY, US
Eric R. Pohl - Mount Kisco NY, US
Linda Vecere - Fishkill NY, US
Lesley Hwang - Chappaqua NY, US

Momentive Performance Materials Inc. - Albany NY

C07F 7/04

556427, 556429

A process is provided for preparing organofunctional silanes, inclusive of dimers and oligomers, in which individual silanes possess both free and blocked mercaptan functionality or particular mixtures of the organofunctional silanes possess both free and blocked mercaptan functionality. The organofunctional silanes and silane mixtures are useful, inter alia, as coupling agents for elastomeric compositions, e. g. , rubber formulations employed in the manufacture of tires, where they exhibit a desirable balance of low scorch and good performance properties.

7786200, Aug 31, 2010

Jul 31, 2008

12/221175

Lesley Hwang - Chappaqua NY, US
Antonio Chaves - Chappaqua NY, US
Eric R. Pohl - Mt. Kisco NY, US

Momentive Performance Materials Inc. - Albany NY

B60C 1/00
C07F 7/04

524262, 556427

Sulfur-containing silane and its partially to substantially complete hydrolyzate(s) are useful as additives for filled elastomeric compositions for tires and other cured rubber articles.

7919650, Apr 5, 2011

Feb 21, 2006

11/358550

Antonio Chaves - Chappaqua NY, US
Eric R. Pohl - Mount Kisco NY, US
Linda Vecere - Fishkill NY, US
Lesley Hwang - Chappaqua NY, US

Momentive Performance Materials Inc. - Albany NY

C07C 321/00

560147

Organofunctional silanes, inclusive of dimers and oligomers, are provided in which individual silanes possess both free and blocked mercaptan functionality or particular mixtures of the organofunctional silanes possess both free and blocked mercaptan functionality. The organofunctional silanes and silane mixtures are useful, inter alia, as coupling agents for elastomeric compositions, e. g. , rubber formulations employed in the manufacture of tires, where they exhibit a desirable balance of low scorch and good performance properties.

20110021692, Jan 27, 2011

Jul 27, 2010

12/844123

Lesley Hwang - Chappaqua NY, US
Antonio Chaves - Chappaqua NY, US
Eric R. Pohl - Mt. Kisco NY, US

MOMENTIVE PERFORMANCE MATERIALS INC. - Albany NY

C08K 5/548
C07F 7/04
C09K 3/00

524571, 556429, 556427, 25218217

Sulfur-containing silanes described herein can serve as coupling agents for fillers in elastomer compositions used, for example, in tires, belts, hoses, shoe soles, seals, gaskets, and the like. The sulfur containing silanes advantageously reduce or eliminate the generation of volatile organic compounds (VOCs) during use.

20130158159, Jun 20, 2013

Dec 19, 2011

13/329430

Narayana Padmanabha Iyer - Bangalore, IN
Lesley Hwang - Chappaqua NY, US
Vikram Kumar - Tarrytown NY, US
Christian Geismann - Bergisch Gladbach, DE
Constantine Kondos - White Plains NY, US

MOMENTIVE PERFORMANCE MATERIALS INC. - Albany NY

C09D 163/00
C09D 5/16
C09D 163/02
C09D 7/12
C09D 163/04
C08K 5/549
C09D 183/06

523122, 25218214, 523435, 523427, 523400, 523429, 523428

The present invention relates to stable, zero or low VOC epoxy-containing polysiloxane oligomer compositions that provide for a high degree of chemical resistance to compositions containing organic resins, while at the same time, maintaining or improving the flexibility of these organic resin-containing compositions, to processes for preparing epoxy-containing polysiloxane oligomer compositions, and to uses in coatings, sealants, adhesives, and composites containing the same.