Inventor · disambiguated record
Malcolm J. Welch
Also filed as: WELCH MALCOLM J · WELCH MALCOLM JAMES
5 granted patents·1 pending application·131 citations·filing 1992–1999
84Inventor score
Files withHERCULES INC6
Top patents by PatentIndex Score
6 records- 0177US5972094ASizing compositionHERCULES INC·Filed 1997·Granted Oct 26, 1999·34 cites·17 claims
- 0270US6165320AMethod of sizingHERCULES INC·Filed 1999·Granted Dec 26, 2000·25 cites·35 claims
- 0368US5912306ACationic compounds useful as drainage aids and stabilizers for rosin-based sizing agentsHERCULES INC·Filed 1996·Granted Jun 15, 1999·28 cites·12 claims
- 0466US6074468ASizing compositionHERCULES INC·Filed 1999·Granted Jun 13, 2000·21 cites·21 claims
- 0560US5393338ACationic compounds useful as drainage aids and stabilizers for rosin-based sizing agentsHERCULES INC·Filed 1992·Granted Feb 28, 1995·23 cites·24 claims
- 0624US2001009180A1Compositions and processes for increasing hot stock sizing effectivenessHERCULES INC·Filed 1997·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Malcolm J. Welch 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 →