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US 5,429,952 AGranted
Marking of products to establish identity and source
AssigneeBiocode, Inc.
InventorsRonald C. Garner, Carl N. Martin, Michael J. Wraith, David W. Britton
Life of this patent
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Abstract
In general, the invention features a method of marking a product for identification in which a low molecular weight hapten is associated with the product as a marker, where the hapten is non-deleterious to the product, inert with respect to the product, and not already associated with the product.
Claims10
A method of marking a product and subsequently detecting the marker in the product as a means of identifying the product comprising the steps of:
- associating a hapten as a marker with the product, wherein the hapten is non-deleterious to the product, inert with respect to the product, and not already associated with the product;
- and
- detecting the hapten in the product at a later point in time as a means of identifying the product by specifically binding the hapten to a complementary binding member.
A marked product comprising:
- (a) a commercial petroleum product having mixed with it
- (b) a hapten marker not normally associated with said petroleum product.
Dependencies are inferred from the claim text.