摘要 |
Exemplary compositions comprise at least one aldopentonic acid, such as xylonic acid; and further comprise a lignin, a lignosulfonic acid or its salt, an additional sugar acid such as a aldohexonic acid or salt, a conventional admixture (such as a polyacrylate superplasticizer, a corrosion inhibitor, a set retard, a set accelerator, etc.), or a mixture thereof. Exemplary methods for obtaining microbiologically or enzymatically converted sugar acids are also described herein. |
申请人 |
W.R. GRACE & CO.-CONN;CHUN, BYONG-WA;DAIR, BENITA;PORTENEUVE, CHARLOTTE, B;JEKNAVORIAN, ARA, A.;CHEUNG, JOSEPHINE, HO-WAH;ROBERTS, LAWRENCE, R. |
发明人 |
CHUN, BYONG-WA;DAIR, BENITA;PORTENEUVE, CHARLOTTE, B;JEKNAVORIAN, ARA, A.;CHEUNG, JOSEPHINE, HO-WAH;ROBERTS, LAWRENCE, R. |