Patents
US 11230085 B2: Asphaltic sheet materials including expandable graphite
- Granted
- 2022-01-25
- Filed
- 2018-06-19 application 16011868
- Type
- Utility · 11 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An asphaltic sheet comprising an asphaltic component including an asphalt binder and expandable graphite.
Source: PVGPATDIS, file of 2026-04-10 (ipg220125.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Firestone Building Products Company, LLC 136 patents | US company or organization | Nashville, TN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Wensheng Zhou | Carmel, IN | 36 | PVGPATDIS, file of 2026-04-10 | |
| Donald R. Kirk | Indianapolis, IN | 5 | PVGPATDIS, file of 2026-04-10 | |
| James Young | Indianapolis, IN | 16 | PVGPATDIS, file of 2026-04-10 | |
| Robert Anderson | Chicago, IL | 5 | PVGPATDIS, file of 2026-04-10 | |
| Joseph Standeford | Indianapolis, IN | 8 | PVGPATDIS, file of 2026-04-10 | |
| Lance Black | Indianapolis, IN | 8 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B32B | Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form | B32B11/046 | PVGPATDIS, file of 2026-04-10 |
| C08J | Working-up; general processes of compounding; after-treatment not covered by subclasses c08b, c08c, c08f, c08g or c08h | C08J5/043 | PVGPATDIS, file of 2026-04-10 |
| C08K | Use of inorganic or non-macromolecular organic substances as compounding ingredients | C08K3/38 | PVGPATDIS, file of 2026-04-10 |
| C08L | Compositions of macromolecular compounds | C08L95/00 | 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 | C09D195/00 | PVGPATDIS, file of 2026-04-10 |
| E04D | Roof coverings; sky-lights; gutters; roof-working tools | E04D3/18 | PVGPATDIS, file of 2026-04-10 |
| Y10T | Technical subjects covered by former us classification | Y10T428/31815 | 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 |
|---|---|---|---|---|---|
| 2025-08-29 | Assignment Assignment of assignor's interest | HOLCIM TECHNOLOGY LTD signed 2025-06-01 | AMRIZE TECHNOLOGY SWITZERLAND LLC ZUG | 72740/505 | ECORSEXC, file of 2026-09-25 |
| 2022-06-14 | Assignment Assignment of assignor's interest | FIRESTONE BUILDING PRODUCTS COMPANY, LLC signed 2022-04-04 | HOLCIM TECHNOLOGY LTD 6300 ZUG | 60366/33 | PASDL, file of 2026-10-15 |
| 2018-06-19 | Assignment Assignment of assignor's interest | KIRK, DONALD R. signed 2013-06-19 ANDERSON, ROBERT signed 2013-09-05 BLACK, LANCE signed 2013-09-05 STANDEFORD, JOSEPH signed 2013-09-05 YOUNG, JAMES signed 2013-09-10 ZHOU, WENSHENG signed 2013-11-19 | FIRESTONE BUILDING PRODUCTS CO., LLC NASHVILLE, TN | 46127/692 | 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.