Patents
US 11814564 B2: Inhibition of ice nucleation with modified polyvinyl alcohol
- Granted
- 2023-11-14
- Filed
- 2021-05-07 application 17314402
- Type
- Utility · 3 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Methods, compounds, and compositions for inhibiting ice nucleation are disclosed. A method includes selecting a modified polyvinyl alcohol molecule based on at least one altered hydroxyl distance of the modified polyvinyl alcohol molecule and applying the modified polyvinyl alcohol molecule to water molecules to inhibit ice nucleation when subjected to freezing temperatures.
Source: PVGPATDIS, file of 2026-04-10 (ipg231114.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| University of Denver 14 patents | US company or organization | Denver, CO | University of Denver College or university EXACT high confidence: identical full name and state UNIVERSITY OF DENVER Federal lobbying client EXACT high confidence: identical full name and state UNIVERSITY OF DENVER Nonprofit EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Monika Bleszynski | Denver, CO | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C09K | Materials for miscellaneous applications, not provided for elsewhere | C09K3/18 | PVGPATDIS, file of 2026-04-10 |
| C08F | Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds | C08F216/06 | PVGPATDIS, file of 2026-04-10 |
| 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 | C09D129/04 | PVGPATDIS, file of 2026-04-10 |
| C08L | Compositions of macromolecular compounds | C08L29/04 | 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 |
|---|---|---|---|---|---|
| 2025-03-20 | Government interest Confirmatory license | UNIVERSITY OF DENVER signed 2023-05-25 | NATIONAL SCIENCE FOUNDATION ALEXANDRIA, VA | 70569/866 | ECORSEXC, file of 2026-09-25 |
| 2021-08-11 | Assignment Assignment of assignor's interest | BLESZYNSKI, MONIKA signed 2021-08-07 | COLORADO SEMINARY WHICH OWNS AND OPERATES THE UNIVERSITY OF DENVER DENVER, CO | 57143/449 | 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.