Patents

US 10155885 B2: Organosiloxane compositions and uses thereof

Granted
2018-12-18
Filed
2015-07-28 application 15323843
Type
Utility · 15 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

The present disclosure provides methods of making organosiloxane polymer compositions from hydrosilylation curable compositions comprising at least the components (a) and (b) and at least one of components (c) and (d): (a) an organosiloxane resin material comprising aliphatic unsaturation; and (b) an organosiloxane crosslinker comprising multiple silicon atom-bonded hydrogen atoms (e.g., an “SiH siloxane”); in combination with at least one of (c) at least one organosiloxane comprising at least two silicon atom-bonded hydrogen atoms; and (d) at least one organosiloxane comprising at least two silicon atom-bonded hydrocarbyl groups comprising aliphatic unsaturation (e.g., a “di-vinyl functional siloxane”). Such hydrosilylation curable compositions have, in some instances, significantly faster cure speed, relative to their condensation curable counterparts. A faster cure speed can be important for encapsulating electronic devices, such as light-emitting diode (LED) chip devices, including devices having tall structures.

Source: PVGPATDIS, file of 2026-04-10 (ipg181218.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
Dow Corning Corporation 429 patentsUS company or organizationMidland, MIPVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Steven SwierMidland, MI57PVGPATDIS, file of 2026-04-10
Yanhu WeiMidland, MI15PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
C09DCoating compositions, e.g. paints, varnishes or lacquers; filling pastes; chemical paint or ink removers; inks; correcting fluids; woodstains; pastes or solids for colouring or printing; use of materials thereforC09D183/16PVGPATDIS, file of 2026-04-10
C04BLime, magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone ; ceramics ; refractories; treatment of natural stoneC04B26/32PVGPATDIS, file of 2026-04-10
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredientsC08K3/00PVGPATDIS, file of 2026-04-10
C08LCompositions of macromolecular compoundsC08L83/04PVGPATDIS, file of 2026-04-10
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bondsC08G77/12PVGPATDIS, file of 2026-04-10
Y02WClimate change mitigation technologies related to wastewater treatment or waste managementY02W30/91PVGPATDIS, file of 2026-04-10

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

RecordedWhatFromToReel/frameSource
2019-07-31Name change
Change of name
DOW CORNING CORPORATION signed 2018-02-01DOW SILICONES CORPORATION MIDLAND, MI49910/900ECORSEXC, file of 2026-09-25
2018-10-29Assignment
Assignment of assignor's interest
WEI, YANHU signed 2015-12-10
SWIER, STEVEN signed 2015-12-11
DOW CORNING CORPORATION MIDLAND, MI47335/167ECORSEXC, file of 2026-09-25
2018-02-28Name change
Change of name
DOW CORNING CORPORATION signed 2018-02-01DOW SILICONES CORPORATION MIDLAND, MI45470/188PASDL, file of 2026-10-15

Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.

USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.