MA; Qinggao
Patent Applications and Registrations
Patent applications and USPTO patent grants for MA; Qinggao.The latest application filed is for "gear oil composition".
- MA; Qinggao - Tarrytown NY
- Ma; Qinggao - Middlebury CT
- Ma; Qinggao - Naugatuck CT US
| Patent | Date |
|---|---|
| Gear Oil Composition App 20220064563 - MA; Qinggao ; et al. | 2022-03-03 |
| Pressure process for overbased magnesium oxide dispersions Grant 8,648,020 - Ma , et al. February 11, 2 | 2014-02-11 |
| Overbased magnesium oxide dispersions Grant 8,580,716 - Ma , et al. November 12, 2 | 2013-11-12 |
| Microwave Process for Preparing Stable Metal Oxide Dispersions App 20130178404 - Ma; Qinggao ; et al. | 2013-07-11 |
| Pressure Process for Overbased Magnesium Oxide Dispersions App 20130005620 - Ma; Qinggao ; et al. | 2013-01-03 |
| Overbased Magnesium Oxide Dispersions App 20120015853 - Ma; Qinggao ; et al. | 2012-01-19 |
| Lubricating oil compositions Grant 7,846,884 - Ma December 7, 2 | 2010-12-07 |
| Acridan derivatives as antioxidants Grant 7,847,125 - Ma , et al. December 7, 2 | 2010-12-07 |
| Diaromatic amine derivatives as antioxidants Grant 7,838,703 - Ma , et al. November 23, 2 | 2010-11-23 |
| Enhanced oil recovery using sulfonate mixtures App 20100048432 - Costello; Michael T. ; et al. | 2010-02-25 |
| Tetraaromatic diamine compounds as antioxidants Grant 7,608,568 - Ma October 27, 2 | 2009-10-27 |
| Ortho-nitrosophenols As Polymerization Inhibitors App 20090240092 - MA; Qinggao ; et al. | 2009-09-24 |
| .beta.-crystalline polypropylenes Grant 7,585,909 - Ma , et al. September 8, 2 | 2009-09-08 |
| Urea phenyl derivatives and their use as polypropylene nucleating agents Grant 7,572,849 - Ma , et al. August 11, 2 | 2009-08-11 |
| .beta.-Crystalline polypropylenes Grant 7,569,630 - Ma , et al. August 4, 2 | 2009-08-04 |
| Ortho-nitrosophenols as polymerization inhibitors Grant 7,553,896 - Ma , et al. June 30, 2 | 2009-06-30 |
| Diaromatic Amine Derivatives As Antioxidants App 20090131293 - Ma; Qinggao ; et al. | 2009-05-21 |
| Acridan Derivatives As Antioxidants App 20090131290 - Ma; Qinggao ; et al. | 2009-05-21 |
| Beta-crystalline polypropylenes App 20070293609 - Ma; Qinggao ; et al. | 2007-12-20 |
| Tetraaromatic diamine compounds as antioxidants App 20070272894 - Ma; Qinggao | 2007-11-29 |
| Compatibilizers for composites of PVC and cellulosic materials App 20070259995 - Frenkel; Peter ; et al. | 2007-11-08 |
| Lubricating oil compositions App 20070123438 - Ma; Qinggao | 2007-05-31 |
| Urea phenyl derivatives and their use as polypropylene nucleating agents App 20070117890 - Ma; Qinggao ; et al. | 2007-05-24 |
| Beta-crystalline polypropylenes App 20070117891 - Ma; Qinggao ; et al. | 2007-05-24 |
| Styrenic polymer composites Grant 7,217,765 - Hong , et al. May 15, 2 | 2007-05-15 |
| Ortho-nitrosophenols as polymerization inhibitors App 20060283699 - Ma; Qinggao ; et al. | 2006-12-21 |
| Styrenic polymer composites App 20050004310 - Hong, Sung Chul ; et al. | 2005-01-06 |
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