Upgrading of cellulosic boards
US4308298A · kind A · utility
32Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 8, 1980 |
| Grant date | Dec 29, 1981 |
| Priority date | — |
| Expiry date | May 8, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27G1/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
High solids mastics comprising a curable liquid resin binder, granular mineral filler and an organo titanate coupling agent, processes and apparatus for their use in continuous filling of defects in cellulosic boards, as well as, articles of manufacture produced therefrom are disclosed. The resin binder in fluid condition may either be a high solids latex emulsion or certain selected curable liquid resin systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.