Comment by willcipriano

7 months ago

Milk "recipes" are: https://patents.google.com/patent/US2550584A/en

So are fruit leather "recipes": https://patents.google.com/patent/AU2021200204B2/en

I'd imagine they had something like that. Probably have to do something special to not burn the ketchup while you heat it.

This patents a machine for pasteurization. The fact of pasteurization, getting milk to the target temperature, is not copyrightable. You would just have to use a different machine but you could still pasteurize.