Patents
US 12188926 B2: Stimuli responsive microsphere composites
- Granted
- 2025-01-07
- Filed
- 2019-07-22 application 16518489
- Type
- Utility · 7 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An event detection composite in embodiments of the present invention may have one or more of the following features: (a) a plurality of solid and/or hollow and/or porous-wall microspheres, (b) a functional material disposed on or within the plurality of microspheres, wherein the functional material can have unique optical, electrical, magnetic, thermal, or chemical properties, where these properties can be realized upon the plurality of microspheres being exposed to a physical, optical, electrical, magnetic, thermal or chemical stimuli, and (c) a host matrix containing the plurality of microspheres.
Source: PVGPATDIS, file of 2026-04-10 (ipg250107.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| SOUTH DAKOTA BOARD OF REGENTS 87 patents | US company or organization | Pierre, SD | PVGPATDIS, file of 2026-04-10 | |
| APPLIED RESEARCH CENTER 5 patents | US company or organization | Aiken, SC | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Grant A. Crawford | Rapid City, SD | 3 | PVGPATDIS, file of 2026-04-10 | |
| George G. Wicks | Aiken, SC | 9 | PVGPATDIS, file of 2026-04-10 | |
| Forest Thompson | Rapid City, SD | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C09D | Coating 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 therefor | C09D11/322 | PVGPATDIS, file of 2026-04-10 |
| G01N | Investigating or analysing materials by determining their chemical or physical properties | G01N33/52 | PVGPATDIS, file of 2026-04-10 |
| A61K | Preparations for medical, dental or toiletry purposes | A61K9/0009 | PVGPATDIS, file of 2026-04-10 |
| B42D | Books; book covers; loose leaves; printed matter characterised by identification or security features; printed matter of special format or style not otherwise provided for; devices for use therewith and not otherwise provided for; movable-strip writing or reading apparatus | B42D25/369 | PVGPATDIS, file of 2026-04-10 |
| B41M | Printing, duplicating, marking, or copying processes; colour printing, | B41M3/14 | 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 |
|---|---|---|---|---|---|
| 2019-07-25 | Assignment Assignment of assignor's interest | WICKS, GEORGE G., DR. signed 2019-04-07 | APPLIED RESEARCH CENTER AIKEN, SC | 49860/964 | ECORSEXC, file of 2026-09-25 |
| 2019-07-25 | Assignment Assignment of assignor's interest | CRAWFORD, GRANT A signed 2019-07-22 THOMPSON, FOREST signed 2019-07-22 | SOUTH DAKOTA BOARD OF REGENTS PIERRE, SD | 49860/839 | 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.