Cheung; Josephine Ho-Wah
Patent Applications and Registrations
Patent applications and USPTO patent grants for Cheung; Josephine Ho-Wah.The latest application filed is for "beneficiated water reducing compositions".
- Cheung; Josephine Ho-Wah - Waltham MA
- Cheung; Josephine Ho-wah - Columbia MD
| Patent | Date |
|---|---|
| Controlled dispersion of colloidal suspension by comb polymers Grant 7,053,125 - Lewis , et al. May 30, 2 | 2006-05-30 |
| Beneficiated water reducing compositions Grant 7,048,793 - Chun , et al. May 23, 2 | 2006-05-23 |
| Beneficiated water reducing compositions Grant 6,916,369 - Chun , et al. July 12, 2 | 2005-07-12 |
| Beneficiated water reducing compositions App 20050096280 - Chun, Byong-wa ; et al. | 2005-05-05 |
| Defoamer for water reducer admixture Grant 6,858,661 - Zhang , et al. February 22, 2 | 2005-02-22 |
| Defoamer for water reducer admixture App 20040149175 - Zhang, Xuan ; et al. | 2004-08-05 |
| Controlled dispersion of colloidal suspensions by comb polymers App 20040096469 - Lewis, Jennifer A. ; et al. | 2004-05-20 |
| Beneficiated water reducing compositions App 20030172850 - Chun, Byong-wa ; et al. | 2003-09-18 |
| Processing additives for hydraulic cements Grant 6,290,772 - Cheung , et al. September 18, 2 | 2001-09-18 |
| Processing additives for hydraulic cements Grant 6,048,393 - Cheung , et al. April 11, 2 | 2000-04-11 |
| Roll press grinding aid for granulated blast furnace slag Grant 5,977,224 - Cheung , et al. November 2, 1 | 1999-11-02 |
| Process of using roll press grinding aid for granulated blast furnace slag Grant 5,720,796 - Cheung , et al. February 24, 1 | 1998-02-24 |
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