Patents
US 9947858 B2: Curable organopolysiloxane composition for transducers and applications of such curable silicone composition for transducers
- Granted
- 2018-04-17
- Filed
- 2013-12-26 application 14655811
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention provides a curable organopolysiloxane composition capable of producing a cured article that can be used as a transducer and provided with excellent mechanical characteristics and/or electrical characteristics. The present invention also relates to a novel curable organopolysiloxane composition for transducer use comprising a curable organopolysiloxane composition, dielectric inorganic fine particles having a specific dielectric constant of greater than or equal to 10, and fine particles having a specific dielectric constant of less than 10.
Source: PVGPATDIS, file of 2026-04-10 (ipg180417.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Dow Corning Corporation 429 patents | US company or organization | Midland, MI | PVGPATDIS, file of 2026-04-10 | |
| Dow Corning Toray Co., Ltd. 186 patents | Foreign company or organization | Tokyo, JP | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Toyohiko Fujisawa | Ichihara, JP | 13 | PVGPATDIS, file of 2026-04-10 | |
| Hiroshi Fukui | Ichihara, JP | 38 | PVGPATDIS, file of 2026-04-10 | |
| Haruhiko Furukawa | Ichihara, JP | 43 | PVGPATDIS, file of 2026-04-10 | |
| Peter Cheshire Hupfield | Haverfordwest, GB | 25 | PVGPATDIS, file of 2026-04-10 | |
| Hong Sub Kim | Cupertino, CA | 2 | PVGPATDIS, file of 2026-04-10 | |
| Eiji Kitaura | Ichihara, JP | 10 | PVGPATDIS, file of 2026-04-10 | |
| Kent R. Larson | Midland, MI | 10 | PVGPATDIS, file of 2026-04-10 | |
| Wataru Nishiumi | Ichihara, JP | 2 | PVGPATDIS, file of 2026-04-10 | |
| Takuya Ogawa | Ichihara, JP | 76 | PVGPATDIS, file of 2026-04-10 | |
| Masayuki Onishi | Ichihara, JP | 15 | PVGPATDIS, file of 2026-04-10 | |
| Kouichi Ozaki | Ichihara, JP | 13 | PVGPATDIS, file of 2026-04-10 | |
| Keiji Wakita | Ichihara, JP | 7 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H10N | Electric solid-state devices not otherwise provided for | H10N30/857 | PVGPATDIS, file of 2026-04-10 |
| C08K | Use of inorganic or non-macromolecular organic substances as compounding ingredients | C08K3/01 | PVGPATDIS, file of 2026-04-10 |
| C08L | Compositions of macromolecular compounds | C08L83/00 | PVGPATDIS, file of 2026-04-10 |
| H01B | Cables; conductors; insulators; selection of materials for their conductive, insulating or dielectric properties | H01B3/10 | PVGPATDIS, file of 2026-04-10 |
| H04R | Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; electric hearing aids; public address systems | H04R19/00 | PVGPATDIS, file of 2026-04-10 |
| C08G | Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds | C08G77/12 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2019-05-17 | Assignment Assignment of assignor's interest | DOW CORNING TORAY CO., LTD. signed 2019-02-01 | DOW TORAY CO., LTD. SHINAGAWA-KU, TOKYO | 51322/925 | ECORSEXC, file of 2026-09-25 |
| 2018-03-07 | Name change Change of name | DOW CORNING CORPORATION signed 2018-02-01 | DOW SILICONES CORPORATION MIDLAND, MI | 45515/548 | ECORSEXC, file of 2026-09-25 |
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.