Inventor

KRAEMER JOHN F

US19 patents

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

KRAEMER JOHN F

INT MINERALS & CHEM CORP

Process for preparing olivine sand cores and molds

Foundry mold and core composition

Binder for preparing improved cores and molds

Process for preparing olivine sand cores and molds

Foundry core composition of aggregate and a binder therefor

Modified clay paper coating

Foundry core composition of aggregate and a binder therefor

Modified clay paper coating

Process for preparing cores and molds

Process for preparing olivine sand cores and molds

Metal silico-phosphate binders and foundry shapes produced therefrom

Process for preparing sand cores and molds

Foundry binder

Oxidatively coupled cold-set binders

Oxidatively coupled cold-set binders

Oxidatively coupled cold-set binders

Process for preparing sand cores and molds

Process for preparing olivine sand cores and molds

ARISTO CORP

Cold set phenol-formaldehyde resin