Inventor · disambiguated record
Calvin K. Johnson
Also filed as: CRAIG ROBERT S · JOHNSON CALVIN · JOHNSON CALVIN K
16 granted patents·851 citations·filing 1978–2000
95Inventor score
Top patents by PatentIndex Score
16 records- 0197US4439489AParticles covered with a cured infusible thermoset film and process for their productionACME RESIN CORP·Filed 1982·Granted Mar 27, 1984·214 cites·22 claims
- 0295US5916933ABisphenol-containing resin coating articles and methods of using sameBORDEN INC·Filed 1997·Granted Jun 29, 1999·131 cites·28 claims
- 0393US5639806ABisphenol-containing resin coating articles and methods of using sameBORDEN INC·Filed 1995·Granted Jun 17, 1997·114 cites·39 claims
- 0491US6299677B1Binders for cores and moldsBORDEN CHEM INC·Filed 1997·Granted Oct 9, 2001·99 cites·46 claims
- 0589US4713294AFoundry shell core and mold compositionACME RESIN CORP·Filed 1986·Granted Dec 15, 1987·28 cites·18 claims
- 0686US5043412AAmbient temperature curing, high carbon contributing compositionsBORDEN INC·Filed 1989·Granted Aug 27, 1991·25 cites·53 claims
- 0785US6509392B1Foundry binder and processH A INTERNAT LLC·Filed 2000·Granted Jan 21, 2003·42 cites·22 claims
- 0881US4216133AShell process foundry resin compositionsACME RESIN CORP·Filed 1978·Granted Aug 5, 1980·30 cites·31 claims
- 0979US5952440AWater soluble and storage stable resole-melamine resinBORDEN CHEM INC·Filed 1997·Granted Sep 14, 1999·50 cites·26 claims
- 1075US5910521ABenzoxazine polymer compositionBORDEN INC·Filed 1998·Granted Jun 8, 1999·38 cites·28 claims
- 1173US5354788ADialdehyde modified phenolic foundry sand core binder resins, processes for making same, and process for preparing foundry cores and molds employing sameBORDEN INC·Filed 1993·Granted Oct 11, 1994·32 cites·33 claims
- 1260US5126089AMethod for easy removal of sand cores from castingsACME RESIN CORP·Filed 1991·Granted Jun 30, 1992·27 cites·14 claims
- 1341US5082876ACompositions for foundry molding processes utilizing reclaimed sandBORDEN INC·Filed 1990·Granted Jan 21, 1992·9 cites·37 claims
- 1436US5077323AMethod to improve flowability of alkaline phenolic resin coated sandACME RESIN CORP·Filed 1989·Granted Dec 31, 1991·5 cites·14 claims
- 1534US5234973ACompositions for foundry molding processes utilizing reclaimed sandACME RESIN CORP·Filed 1991·Granted Aug 10, 1993·5 cites·14 claims
- 1634US4996249AMethod to improve flowability of resin coated sandACME RESIN CORP·Filed 1989·Granted Feb 26, 1991·2 cites·34 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →