Pitch granules which are solid at room temperature
US11505748B2 · kind B2 · utility
0Cited by
5References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 5, 2017 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Feb 23, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2489/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Pitch granules including a core made up of a first composition including at least one pitch, the composition having a penetrability at 25° C. of 0 to 45 1/10 mm, a ring-and-ball softening temperature (TBA) of 55° C. to 175° C., understanding the penetrability as measured according to standard EN 1426 and the TBA as measured according to standard EN 1427, and a layer encapsulating at least one portion of the surface of the core, the layer being made up of a coating composition including at least one anti-caking agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.