Polyurethane-modified bitumen coating composition
US5981010A · kind A · utility
13Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1998 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Jun 9, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31823
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyurethane-modified bitumen coating composition of selected surface tack and fluidity. The composition includes: bitumen; a minor modifying amount of a polyurethane prepared by the reaction of a polyisocyanate and a hydroxyl terminated polybutadiene; a tackifier; and a filler material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.