Inventor
Mark D. Leatherman
Inventor
Elmsford, NY, US
Overview
Patents· 41 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium11%
A61KPreparations for medical, dental or toiletry purposes9%
A61QSpecific use of cosmetics or similar toiletry preparations9%
C11DDetergent compositions9%
A01NPreservation of bodies of humans or animals or plants or parts thereof7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
C08LCompositions of macromolecular compounds6%
C09DCoating compositions, e.g. paints, varnishes or lacquers6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
10,995,255Method of inhibiting water penetration into oil- and gas-producing formations202110,858,605Organomodified silicone fuel additive, compositions, and methods of using the same202010,017,688Resin coated proppants for water-reducing application20189,988,404Ester-modified organosilicon-based surfactants, methods of making same and applications containing the same20189,701,883'Friction reducer compositions'20179,200,119'Silicon-containing zwitterionic linear copolymer composition'20158,809,404'Siloxane polyether copolymers'20148,664,422'Silicone compositions and methods for preparing them'20148,569,385'Hydrolysis resistant organomodified silylated ionic surfactants'20138,524,934'Silicone compositions and methods for preparing them'20138,491,876'Cosmetic compositions comprising hydrolysis resistant organomodified disiloxane surfactants'20138,470,894'Hydrolysis resistant organomodified trisiloxane ionic surfactants'20138,461,092'Home care compositions comprising hydrolysis resistant organomodified disiloxane surfactants'20138,367,740'Hydrolysis resistant organomodified disiloxane ionic surfactants'20138,362,124'Coatings and printing ink compositions containing silylated polyether surfactants and articles made therefrom'20138,329,255'Durable non-fluorine water repellent agent and process for preparing same'20128,263,669'Hydrolysis resistant organomodified trisiloxane ionic surfactants'20128,217,129'Polyalkylene oxide asymmetric siloxane'20128,183,317'Coating compositions comprising hydrolysis resistant organomodified disiloxane surfactants'20128,008,231'Extreme environment surfactant compositions comprising hydrolysis resistant organomodified disiloxane surfactants'20117,968,666'Incorporating an asymmetrical siloxane into a composition in need of hydrolysis resistance'20117,964,032'Fluorine-free trisiloxane surfactant compositions for use in coatings and printing ink compositions'20117,947,798'Asymmetrical siloxane'20117,935,842'Hydrolysis resistant organomodified trisiloxane surfactants'20117,902,314'Organosilicone compositions and methods for preparing them'20117,897,713'Hydrosilylating an isolated monohydridosiloxane'20117,888,447'Polycarbonate-polysiloxane copolymers, methods for the preparation thereof, and articles derived therefrom'20117,879,916'Hydrolysis resistant organomodified silylated ionic surfactants'20117,872,053'Surface active organosilicone compounds'20117,834,118'Selective hydrosilylation method with rhodium catalyst'20107,829,734'Tetramethyl siloxane reaction'20107,700,797'Use of hydrolysis resistant organomodified silylated surfactants'20107,652,072'Hydrolysis resistant organomodified disiloxane surfactants'20107,645,720'Extreme environment surfactant compositions comprising hydrolysis resistant organomodified disiloxane surfactants'20107,605,219'Selective hydrosilylation method with alcohol or epoxide reactant and product'20097,579,495'Active-releasing cyclic siloxanes'20097,576,170'Cyclic siloxane compositions for the release of active ingredients'20097,507,775'Hydrolysis resistant organomodified disiloxane surfactants'20097,399,350'Fluorine-free disiloxane surfactant compositions for use in coatings and printing ink compositions'20087,326,761'Selective hydrosilylation method and product'20087,259,220'Selective hydrosilylation method'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2015Based in Elmsford, NY, US· patent location history
2008–2021Patents assigned to MOMENTIVE PERFORMANCE MAT INC (37)· patent assignee history
2008–2021Based in Stamford, CT, US· patent location history
2011Based in Tarrytown, NY, US· patent location history
2012–2013Patents assigned to LEATHERMAN MARK D (11)· patent assignee history
2012–2013Patents assigned to POLICELLO GEORGE A (8)· patent assignee history
2012–2013Patents assigned to RAJARAMAN SURESH K (4)· patent assignee history
2013Patents assigned to PENG WENQING N (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MOMENTIVE PERFORMANCE MAT INC | 37 | 2008–2021 |
| LEATHERMAN MARK Dself | 11 | 2012–2013 |
| POLICELLO GEORGE A | 8 | 2012–2013 |
| RAJARAMAN SURESH K | 4 | 2012–2013 |
| PENG WENQING N | 3 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Elmsford, New York, US | 21 | 2007–2015 |
| Stamford, CT, US | 19 | 2008–2021 |
| Tarrytown, New York, US | 1 | 2011 |