He; Yingxia

Patent Applications and Registrations

Patent applications and USPTO patent grants for He; Yingxia.The latest application filed is for "amphoteric polymer for treating hard surfaces".

Company Profile

0.6.5

He; Yingxia - Wilmington DE US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Amphoteric polymer for treating hard surfaces Grant 8,741,831 - Jaynes , et al. June 3, 2	2014-06-03
Amphoteric Polymer For Treating Hard Surfaces App 20090324964 - Jaynes; Bingham Scott ; et al.	2009-12-31
2,9-dichloro-quinacridone as .alpha.-quinacridone crystal phase inhibitor Grant 7,419,542 - He , et al. September 2, 2	2008-09-02
2,9-Dichloro-quinacridone as alpha-quinacridone crystal phase inhibitor App 20070034117 - He; Yingxia ; et al.	2007-02-15
Process for aqueous milling of quinacridone pigments Grant 7,122,081 - He , et al. October 17, 2	2006-10-17
2,9-Dichloro-quinacridone as alpha-quinacridone crystal phase inhibitor Grant 7,101,428 - He , et al. September 5, 2	2006-09-05
Synthesis of small particle size quinacridone of beta crystal phase Grant 6,987,186 - Cole , et al. January 17, 2	2006-01-17
Process for aqueous milling of quinacridone pigments App 20050187313 - He, Yingxia ; et al.	2005-08-25
2,9-Dichloro-quinacridone as alpha-quinacridone crystal phase inhibitor App 20050183635 - He, Yingxia ; et al.	2005-08-25
Synthesis of small particle size quinacridone of beta crystal phase App 20040229057 - Cole, Damien Thurber ; et al.	2004-11-18

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