Polycondensation products and a process for their preparation
US7321020B2 · kind B2 · utility
0Cited by
2References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 10, 2003 |
| Grant date | Jan 22, 2008 |
| Priority date | — |
| Expiry date | Jul 10, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G8/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to the polycondensation products produced by reaction of bisphenol residues from bisphenol production with an aldehyde in an acidic medium useful for the production of refractory molded bodies, of unmolded substances used in the refractory industry and, together with coating powder residues, as binding agents or binding agent components for the production of molded nonwoven fabric parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.