Warp size
US4421566A · kind A · utility
10Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1982 |
| Grant date | Dec 20, 1983 |
| Priority date | — |
| Expiry date | Sep 17, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B33/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Warp sizing compositions and starches useful therefor are prepared from high amylose starches which are converted to a water fluidity viscosity within the range of 65 to 80 and then reacted with an etherification reagent to achieve a nitrogen content of 0.5 to 0.9% (dry basis).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.