Inventor · disambiguated record
Alan J. Schellhamer
Also filed as: SCHELLHAMER ALAN J
5 granted patents·254 citations·filing 1987–2001
84Inventor score
Top patents by PatentIndex Score
5 records- 0193US5061346APapermaking using cationic starch and carboxymethyl cellulose or its additionally substituted derivativesBETZ PAPERCHEM INC·Filed 1988·Granted Oct 29, 1991·113 cites·18 claims
- 0284US5104487APapermaking using cationic starch and naturally anionic polysacchride gumsBETZ PAPER CHEM INC·Filed 1990·Granted Apr 14, 1992·81 cites·33 claims
- 0381US5314581AApparatus for simulating processing parameters and predicting variables in a papermaking operation including sequential pulsation, gravity and vacuum drainage, fines retention and paper formationBETZ PAPERCHEM INC·Filed 1991·Granted May 24, 1994·35 cites·5 claims
- 0472US4715931AProcess for inhibiting aluminum hydroxide deposition in papermaking feltsBETZ LABORATORIES·Filed 1987·Granted Dec 29, 1987·23 cites·18 claims
- 0533US6387215B1Use of acrylamide copolymer to reduce stickies depositsCALLAWAY CHEMICAL CORP·Filed 2001·Granted May 14, 2002·2 cites·20 claims
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