Color changing caulk
US8772389B1 · kind B1 · utility
1Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2011 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Mar 17, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2003/1034
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A caulk composition having a first color upon application and a second color upon formation of a skin, wherein said skin is suitable for application of a surface treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.