Inventor · disambiguated record

Weilian Lang

Also filed as: LANG WEILIAN

2 granted patents·21 citations·filing 1999–2004

58Inventor score

Technology areasC02F C07C

Files withSACHEM INC2

Top patents by PatentIndex Score

2 records

0161US7214806B2Synthetic multiple quaternary ammonium saltsSACHEM INC·Filed 2004·Granted May 8, 2007·4 cites·5 claims
0250US6217743B1Process for recovering organic hydroxides from waste solutionsSACHEM INC·Filed 1999·Granted Apr 17, 2001·17 cites·28 claims

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