Sodium carboxymethylcellulose
US4525585A · kind A · utility
7Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1983 |
| Grant date | Jun 25, 1985 |
| Priority date | — |
| Expiry date | Sep 30, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08B11/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Sodium carboxymethylcellulose is disclosed wherein the average degree of substitution (DS) of carboxymethyl groups per anhydroglucose unit is in the range of 0.4 to 1.6, the number-average degree of polymerization is in the range of 100 to 1,500, and the mobility distribution (.DELTA.U) as measured by electrophoresis is represented by the following formula: EQU .DELTA.U.times.10.sup.5 <(-3.0 logDS+3.20).times.10.sup.5 cm.sup.2 /sec.multidot.V.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.