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Patent applications and USPTO patent grants for Lemma; Yohannes K..The latest application filed is for "early strength enhancing concrete admixture".
Patent | Date |
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Early strength enhancing concrete admixture Grant 10,577,284 - Yurdakul , et al. | 2020-03-03 |
Early Strength Enhancing Concrete Admixture App 20190002349 - YORDAKUL; Ezgi ;   et al. | 2019-01-03 |
Optimizing polycarboxylate admixtures for cementitious compositions Grant 9,624,130 - Kuo , et al. April 18, 2 | 2017-04-18 |
Superplasticizing admixture for cementitious compositions Grant 9,546,110 - Kuo , et al. January 17, 2 | 2017-01-17 |
Superplasticizing Admixture for Cementitious Compositions App 20160362336 - Kuo; Lawrence L. ;   et al. | 2016-12-15 |
Optimizing Polycarboxylate Admixtures for Cementitious Compositions App 20160362337 - Kuo; Lawrence L. ;   et al. | 2016-12-15 |
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