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US 2021/0010994 A1Published application
Method for detecting oil on tobacco products and packaging
AssigneeAltria Client Services LLC
InventorsEdmond J. CADIEUX, JR., Robert E. WOOD
Life of this patent
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Abstract
A process for detecting oil or lubricant contamination in a manufactured product, the process comprising adding at least two fluorescent taggants to oils or lubricants contained in processing machinery for said product, irradiating said product, causing at least one of said taggants to fluoresce and detecting radiation emitted by said fluorescing taggant in an oil-contaminated product.
Claims18
A process for detecting oil or lubricant contamination in a manufactured product, the process comprising:
- adding a first fluorescent taggant to a lubricant of a first processing machine and a lubricant of a second processing machine;
- adding a second fluorescent taggant to the lubricant of the first processing machine only;
- adding a third fluorescent taggant to the lubricant of the second processing machine only;
- irradiating the manufactured product;
- and
- detecting radiation emitted by the first fluorescent taggant, the second fluorescent taggant, the third fluorescent taggant, or any combination thereof in an oil-contaminated product.
3 more elements
Dependencies are inferred from the claim text.