Inventor

SCHELLHAMER ALAN J

US5 patents

⚠️ This page may combine multiple inventors who share the name “SCHELLHAMER ALAN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BETZ PAPERCHEM INC

2 patents

US5061346AOct 29, 1991

Papermaking using cationic starch and carboxymethyl cellulose or its additionally substituted derivatives

BETZ PAPERCHEM INC113 citations93

US5314581AMay 24, 1994

Apparatus for simulating processing parameters and predicting variables in a papermaking operation including sequential pulsation, gravity and vacuum drainage, fines retention and paper formation

BETZ PAPERCHEM INC35 citations88

BETZ PAPER CHEM INC

1 patent

US5104487AApr 14, 1992

Papermaking using cationic starch and naturally anionic polysacchride gums

BETZ PAPER CHEM INC81 citations91

BETZ LABORATORIES

1 patent

US4715931ADec 29, 1987

Process for inhibiting aluminum hydroxide deposition in papermaking felts

BETZ LABORATORIES23 citations80

CALLAWAY CHEMICAL CORP

1 patent

US6387215B1May 14, 2002

Use of acrylamide copolymer to reduce stickies deposits

CALLAWAY CHEMICAL CORP2 citations58