Inventor · disambiguated record
David Xu
Also filed as: XU DAVID · XU DAVID DAQIANG
5 granted patents·2 pending applications·86 citations·filing 1995–2022
79Inventor score
Top patents by PatentIndex Score
7 records- 0190US5612478AProcess for preparing 1,1'-[1,4-phenylenebis-(methylene)]-bis-1,4,8,11-tetraazacyclotetradecaneJOHNSON MATTHEY PLC·Filed 1995·Granted Mar 18, 1997·45 cites·19 claims
- 0283US5801281AProcess for preparing 1,1'- (1,4- phenylenebis (methlene)-Bis 1,4,8,11-tetraazacyclotetradecaneJOHNSON MATTHEY PLC·Filed 1997·Granted Sep 1, 1998·22 cites·3 claims
- 0380US5756728AProcess for preparing 1,1'- 1,4-phenylenebis-(methylene)!-bis-1,4,8,11-tetraazacyclotetradecaneJOHNSON MATTHEY PLC·Filed 1996·Granted May 26, 1998·19 cites·5 claims
- 0459US7906677B2Process for phenylacetic acid derivativesNOVARTIS AG·Filed 2009·Granted Mar 15, 2011·0 cites·5 claims
- 0551US2025002470A1Nitrogen-containing compound, preparation method therefor and application thereofZHEJIANG AIXPLORER BIOTECH CO LTD·Filed 2022·Application pending·0 cites
- 0650US2008249318A1Process for phenylacetic acid derivativesACEMOGLU MURAT·Filed 2007·Application pending·0 cites
- 0737US6545148B2Process for preparing certain substituted caprolactamsNOVARTIS AG·Filed 2002·Granted Apr 8, 2003·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when David Xu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →