# US 7,071,481 B2 · Automated reagentless system of product fingerprint authentication and trademark protection

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- Number: US 7,071,481 B2
- Document ID: US7071481B2
- Status: Granted
- Kind: B2
- Application number: 10/681,135
- Filed: 2003-10-09
- Published: 2005-04-14
- Granted: 2006-07-04
- Earliest claimed: 2003-10-09
- Assignees: Igor V. Fetisov
- Inventors: Victor V. Nekrasov; Rem Lazarenko-Manevich; Jafar R. Gasanov; Alexander T. Portyan; Natalia V. Ryzhakova; Yevgeny B. Brik; Vladimir R. Lazarenko-Manevich; Igor V. Fetisov; Oleg Lagutenko
- Web page: https://patentgrep.com/patent/US7071481B2

## CPC

- G07D 7/1205: Testing spectral properties
- G07D: HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING

## Abstract

A certification, marking and automated nondestructive product authentication system that identifies a specific manufacturer's product at all states of sale. The system detects counterfeit products and/or product contamination with alien admixtures. The system uses spectral analysis method to produce a card creating image, signature, fingerprints, and/or data profiles that unambiguously characterize the product of specific manufacturers and provide secure trademark protection. The system allows contact-free control of a packaged product without breaking the integrity of the original manufacturer's packaging, which is achieved by using special material for package fabrication or by equipping the package with a special device made of such material.

## Claims

### Claim 1

A method for authenticating products comprising:
a. sampling a representative series of randomly selected units of known products from a homonymous lot of known products manufactured in a single production cycle from identical raw materials and optional intermediates;
b. obtaining light transmitted, luminescent and Raman scattering values for the series of known products to produce a signature for the known product;
c. sampling an unknown product to obtain light transmitted, luminescent and Raman scattering values for the unknown product to produce a signature for the unknown product; and
d. comparing the signature of the known product and the unknown product to determine if the signature of the unknown product is the same as the known product.

### Claim 2 (depends on 1)

The method according to claim 1 wherein the unknown product is packaged in a container at least partially constructed of a material which is transparent to a spectral band selected from the group consisting of light transmission, luminescence and Raman scattering.

### Claim 3 (depends on 2)

The method according to claim 2 wherein the container includes a window made of material transparent to the spectral band of probing reaction and the spectral band of analyzed radiation.

### Claim 4 (depends on 2)

The method according to claim 2 wherein the container includes a prism made of a material transparent to the spectral band of probing reaction and the spectral band of analyzed radiation.

### Claim 5 (depends on 2)

The method according to claim 2 wherein the container includes a wave guide transparent to the spectral band of probing reaction and the spectral band of analyzed radiation.

### Claim 6 (depends on 2)

The method according to claim 2 wherein the container includes a cell transparent to the spectral band of probing reaction and the spectral band of analyzed radiation.

### Claim 7 (depends on 1)

The method according to claim 1 wherein the signature of the known product is presented as a code that can be read.

### Claim 8 (depends on 7)

The method according to claim 7 wherein the code is selected from the group consisting of digital codes, magnetic codes, holographic codes, and graphic codes.

### Claim 9 (depends on 7)

The method according to claim 7 wherein the product is packaged in a container equipped with a card bearing the signature of the known product.

### Claim 10 (depends on 1)

The method according to claim 1 wherein the known product is selected from the group consisting of products and/or materials that contain components absorbing and/or emitting light radiation.