Water-resistant, viscosity stable, alkaline corrugating adhesive composition
US6375775B2 · kind B2 · utility
2Cited by
8References
8Claims
0Family size
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Key dates
| Filing date | Feb 27, 2001 |
| Grant date | Apr 23, 2002 |
| Priority date | — |
| Expiry date | Feb 27, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1025
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A water-resistant, viscosity stable, alkaline curing, starch-based corrugating adhesive composition comprising starch, an alkali material, a ketone-formaldehyde crosslinking additive containing selected sulfite salts and having reduced free-formaldehyde content, and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.