Malcolm J. Welch

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Hoevelaken, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method of sizing
- Patent number 6,165,320
- Issue date Dec 26, 2000
- Hercules Incorporated
- Robert Bates
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sizing composition
- Patent number 6,074,468
- Issue date Jun 13, 2000
- Hercules Incorporated
- Robert Bates
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sizing composition
- Patent number 5,972,094
- Issue date Oct 26, 1999
- Hercules Incorporated
- Robert Bates
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Cationic compounds useful as drainage aids and stabilizers for rosi...
- Patent number 5,912,306
- Issue date Jun 15, 1999
- Hercules Incorporated
- Ian A. Pudney
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cationic compounds useful as drainage aids and stabilizers for rosi...
- Patent number 5,393,338
- Issue date Feb 28, 1995
- Hercules Incorporated
- Ian A. Pudney
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITIONS AND PROCESSES FOR INCREASING HOT STOCK SIZING EFFECTIV...
- Publication number 20010009180
- Publication date Jul 26, 2001
- HERCULES INC.
- MALCOLM JAMES WELCH
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE