Inventor · disambiguated record
Roger H. Jansma
Also filed as: JANSMA ROGER H
10 granted patents·308 citations·filing 1974–1994
92Inventor score
Files withNALCO CHEMICAL CO10
Top patents by PatentIndex Score
10 records- 0193US4217425APaper fiber additive containing polyacrylamide blended with glyoxal and polymeric diallyldimethyl ammonium chloride as a cationic regulatorNALCO CHEMICAL CO·Filed 1978·Granted Aug 12, 1980·72 cites·5 claims
- 0290US4233411ACationic polymeric composition for imparting wet and dry strength to pulp and paperNALCO CHEMICAL CO·Filed 1979·Granted Nov 11, 1980·55 cites·4 claims
- 0389US4508594APolyaldehyde/polyacetal compositionsNALCO CHEMICAL CO·Filed 1984·Granted Apr 2, 1985·47 cites·3 claims
- 0483US5401810AStrength resins for paperNALCO CHEMICAL CO·Filed 1994·Granted Mar 28, 1995·39 cites·13 claims
- 0579US4605718APolyaldehyde/polyacetal compositionsNALCO CHEMICAL CO·Filed 1984·Granted Aug 12, 1986·25 cites·8 claims
- 0672US5490904AStrength resins for paperNALCO CHEMICAL CO·Filed 1994·Granted Feb 13, 1996·21 cites·7 claims
- 0760US3954680AStabilized electroconductive polymersNALCO CHEMICAL CO·Filed 1974·Granted May 4, 1976·10 cites·8 claims
- 0857US4084034ASodium chloride and polydiallyl dimethyl ammonium chloride as an electroconductive additiveNALCO CHEMICAL CO·Filed 1976·Granted Apr 11, 1978·9 cites·2 claims
- 0954US4980024AAntiskid paper with enhanced friction retentionNALCO CHEMICAL CO·Filed 1989·Granted Dec 25, 1990·15 cites·6 claims
- 1053US5209823AWater-soluble dispersant which aids in the dispersion of polyester fibers during the preparation of a wet-laid nonwoven fiber matNALCO CHEMICAL CO·Filed 1990·Granted May 11, 1993·15 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →