Inventor
JOHNSON CALVIN K
US15 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON CALVIN K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ACME RESIN CORP
7 patentsUS4439489AMar 27, 1984
Particles covered with a cured infusible thermoset film and process for their production
ACME RESIN CORP214 citations98
US4713294ADec 15, 1987
Foundry shell core and mold composition
ACME RESIN CORP28 citations92
US4216133AAug 5, 1980
Shell process foundry resin compositions
ACME RESIN CORP30 citations90
US5126089AJun 30, 1992
Method for easy removal of sand cores from castings
ACME RESIN CORP27 citations87
US5234973AAug 10, 1993
Compositions for foundry molding processes utilizing reclaimed sand
ACME RESIN CORP5 citations60
US5077323ADec 31, 1991
Method to improve flowability of alkaline phenolic resin coated sand
ACME RESIN CORP5 citations60
US4996249AFeb 26, 1991
Method to improve flowability of resin coated sand
ACME RESIN CORP2 citations60
BORDEN INC
5 patentsUS5916933AJun 29, 1999
Bisphenol-containing resin coating articles and methods of using same
BORDEN INC131 citations98
US5639806AJun 17, 1997
Bisphenol-containing resin coating articles and methods of using same
BORDEN INC114 citations97
US5354788AOct 11, 1994
Dialdehyde modified phenolic foundry sand core binder resins, processes for making same, and process for preparing foundry cores and molds employing same
BORDEN INC32 citations91
US5910521AJun 8, 1999
Benzoxazine polymer composition
BORDEN INC38 citations90
US5082876AJan 21, 1992
Compositions for foundry molding processes utilizing reclaimed sand
BORDEN INC9 citations71