Summary

Mahlon Pitney Corn Products Refining Company v…

For when the question is whether a federal act overrides a state law, the entire scheme of the statute must, of course, be considered, and that which needs must be implied is of no less force than that which is expressed. If the purpose of the act cannot otherwise be accomplished-if its operation within its chosen field else must be frustrated and its provisions be refused their natural effect-the state law must yield to the regulation of Congress within the sphere of its delegated power.
Source: Wikisource

Mahlon Pitney Corn Products Refining Company v…

And it is too plain for argument that a manufacturer or vendor has no constitutional right to sell goods without giving to the purchaser fair information of what it is that is being sold. The right of a manufacturer to maintain secrecy as to his compounds and processes must be held subject to the right of the state, in the exercise of its police power and in promotion of fair dealing, to require that the nature of the product be fairly set forth.
Source: Wikisource

Mahlon Pitney Corn Products Refining Company v…

Moreover, in defining what shall be adulteration or misbranding for the purposes of the federal act, it is provided that mixtures or compounds known as articles of food under their own distinctive names, not taking or imitating the distinctive name of another article, which do not contain 'any added poisonous or deleterious ingredients,' shall not be deemed to be adulterated or misbranded if the name be accompanied on the same label or brand with a statement of the place of manufacture.
Source: Wikisource

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