| PATENT ASSIGNEE'S COUNTRY | UK |
| UPDATE | 02.00 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Builder obtained by subjecting poly(saccharide) having vicinal diol group & acylatable group; comprising - Oxidative cleavage of vicinal diol group with oxidant to in troduce carboxylic acid functionality, the oxidant being in a quantity such that wt ratio of oxidant/poly(saccharide) is 1:1-5:1, in order to obtain an oxidized poly(saccharide) com prising carboxylic acid groups & still contg acylatable group - Acylation of acylatable group of oxidized poly(saccharide) into an ester group with an acylating agent chosen from acid anhydride wt ratio of acylating agent/poly(saccharide being 1:2-5:1 in the case of acid anhydride |
| PATENT PHOTOCOPY | Available on request |
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