Usman Ali Ashfaq

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Lahore, PK

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Patents Grantslast 30 patents

Information Patent Grant
3-amino-2-(4-nitrophenyl)-4-(3H)-quinazolinone or derivatives there...
- Patent number 8,809,354
- Issue date Aug 19, 2014
- Sheikh Riazuddin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
7-nitro-2-(3-nitro phenyl)-4H-3,1-benzoxazin-4-one or derivatives t...
- Patent number 8,148,368
- Issue date Apr 3, 2012
- Shaikh Riazuddin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
3-amino-2-(4-nitrophenyl)-4-(3H)-quinazolinone or derivatives there...
- Publication number 20130171101
- Publication date Jul 4, 2013
- Sheikh Riazuddin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
7-Nitro-2-(3-nitro phenyl)-4H-3,1-benzoxazin-4-one or derivatives t...
- Publication number 20120058080
- Publication date Mar 8, 2012
- Shaikh Riazuddin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE