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CHANGCHUN HIPOLYKING CO.,LTD.
| CHANGCHUN HIPOLYKING CO.,LTD. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20110065891 | POLYTHIOETHERIMIDES AND METHOD FOR PRODUCING THEREOF - Polythioetherimides and a producing method thereof. The method is comprised of using monosubstituted phthalic anhydride isomer as raw material, reacting it with disubstituted amine to produce disubstituted phthalimide, allowing coupling reaction between the obtained phthalimide and an alkali metal sulfide or sulfur to produce polythioetherimides. | 03-17-2011 |