Ying Ma

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Rockville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Chiral separation of enantiomers by high-speed countercurrent chrom...
- Patent number 6,503,398
- Issue date Jan 7, 2003
- The United States of America as represented by the Department of Health and H...
- Ying Ma
- G01 - MEASURING TESTING
Information Patent Grant
Chiral separation of enantiomers by high-speed countercurrent chrom...
- Patent number 6,337,021
- Issue date Jan 8, 2002
- The United States of America as represented by the Secretary of the Departmen...
- Ying Ma
- G01 - MEASURING TESTING
Information Patent Grant
Separation of polar compounds by affinity countercurrent chromatogr...
- Patent number 5,770,083
- Issue date Jun 23, 1998
- The United States of America as represented by the Department of Health and H...
- Ying Ma
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Chiral separation of enantiomers by high-speed countercurrent chrom...
- Publication number 20020050476
- Publication date May 2, 2002
- Ying Ma
- G01 - MEASURING TESTING