Authentication mark for a product or product package

• US 20040000787A1
• Filed: 01/31/2003
• Published: 01/01/2004
• Est. Priority Date: 04/24/2000
• Status: Abandoned Application

• Current Assignee: Sun Chemical BV (DIC Corporation)
• Original Assignee: Sun Chemical BV (DIC Corporation)
• Inventors: Selinfreund, Richard, Miller, Peter, Vig, Rakesh
• Application Number:
  US10/356,387
• Publication Number:
  US 20040000787A1
• Time in Patent Office: Days
• US Class Current: 283/113
• CPC Class Codes: B41M 3/14 Security printing securities B42D25/29
• CPC Class Codes: B41M 3/142 using chemical colour-formers or chemical reactions, e.g. leuco-dye/acid, photochromes
• CPC Class Codes: B41M 3/144 using fluorescent, luminescent or iridescent effects
• CPC Class Codes: B41M 3/148 Transitory images, i.e. images only visible from certain viewing angles
• CPC Class Codes: G06K 19/14 the marking being sensed by radiation
• CPC Class Codes: G06K 7/12 using a selected wavelength, e.g. to sense red marks and ignore blue marks
• CPC Class Codes: G07D 7/12 Visible light, infrared or ultraviolet radiation

Abstract

The invention relates to an authentication mark for application to a product or product packaging that allows a consumer to at least partially determine whether the product or product packaging is authentic. The authentication mark comprises a first image that a consumer can change between a first state and a second state. The mark may also include a second image, which may only be verified by using a detection device. The first and second images, may be applied in one or more locations on the product or product packaging and may completely overlie or partially intersect one another or be on distinct portions of product or product package.

Claims

1. An authentication mark to be applied to a substrate for aiding in the determination of whether the substrate is authentic, comprising:

a first image comprising a first compound, the first compound adapted to be altered by a consumer between at least a first state and a second state, wherein a change from the first state to the second state suggests that the substrate is authentic.

2. The authentication mark according to claim 1, wherein the change from the first state to the second state is a visual change.

3. The authentication mark according to claim 1, wherein the first state occurs under a first condition and the second state occurs under a second condition.

4. The authentication mark according to claim 3, wherein the first compound is thermochromic.

5. The authentication mark according to claim 4, wherein the first condition comprises a first temperature between approximately 18°

C. and approximately 23°

C. and the second condition comprises a second temperature at least one of below approximately 18°

C. and above approximately 23°

C.

6. The authentication mark according to claim 5, wherein when the first compound is in the first state, the first compound has a first appearance and when the first compound in the second state, the first compound has a second appearance, wherein the second appearance is different from the first appearance.

7. The authentication mark according to claim 6 wherein the first appearance is at least one of a first color, a first pattern, a first level of visibility and a first level of intensity and the second appearance is at least one of a second color, a second pattern, a second level of visibility and a second level of intensity.

8. The authentication mark according to claim 3, wherein the first compound is photochromic.

9. The authentication mark according to claim 8, wherein the first condition comprises a first light with a first wavelength within the range of approximately 400 nm to approximately 700 nm and the second condition comprises a second light with a second wavelength at least one of below approximately 400 nm and above approximately 700 nm.

10. The authentication mark according to claim 9, wherein when the first compound is in the first state, the first image has a first appearance and when the first compound in the second state, the first image has a second appearance, wherein the second appearance is different from the first appearance.

11. The authentication mark according to claim 10 wherein the first appearance is at least one of a first color, a first pattern, a first level of visibility and a first level of intensity and the second appearance is at least one of a second color, a second pattern, a second level of visibility and a second level of intensity.

12. The authentication mark according to claim 3, wherein the first compound is phosphorescent or fluorescent.

13. The authentication mark according to claim 12, wherein the first condition comprises a first intensity of light and the second condition comprises a second intensity of light, the second intensity of light being less than the first intensity of light.

14. The authentication mark according to claim 13, wherein the first compound in the first state does not visibly glow and the first compound in the second state visibly glows.

15. The authentication mark according to claim 1, wherein the first image is invisible when in the first state and the first image is visible when in the second state.

16. The authentication mark according to claim 1, wherein the first image is visible when in at least one of the first state and the second state.

17. The authentication mark according to claim 1, wherein the first image comprises at least a portion of one of a trademark, letter, number, logo and barcode.

18. The authentication mark according to claim 1, in combination with the substrate.

19. The combination according to claim 18, wherein the substrate is a product or product packaging.

20. The authentication mark according to claim 1, further comprising a second image comprising a second compound.

21. The authentication mark according to claim 20, wherein the second image is not visible to the naked eye.

22. The authentication mark according to claim 20, wherein the second compound, in response to irradiating light, absorbs or em its wavelengths outside the visible range.

23. The authentication mark according to claim 22, wherein the second compound is phosphorescent or fluorescent.

24. The authentication mark according to claim 20, wherein the second image comprises at least a portion of one of a trademark, letter, number, logo and barcode.

25. The authentication mark according to claim 20, wherein the first image is on a first portion of the substrate and the second image is on a second portion of the substrate.

26. The authentication mark according to claim 25, wherein the first portion of the substrate intersects with at least a portion of the second portion of the substrate.

27. The authentication mark according to claim 26, wherein the first portion of the substrate is the same as the second portion of the substrate.

28. The authentication mark according to claim 25, wherein the first portion of the substrate is separate from the second portion of the substrate.

29. An authentication mark to be applied to a substrate for aiding in the determination of whether the substrate is authentic, comprising:

a first image comprising a first compound, the first compound adapted to be altered by a consumer between at least a first state and a second state, wherein a change from the first state to the second state suggests that the substrate is authentic, and wherein the first compound is visible to the naked eye in at least one of the first and second states; and

a second image comprising a second compound, the second compound not being visible to the naked eye.

30. The authentication mark according to claim 29, wherein the first image is on a first portion of the substrate and the second image is on a second portion of the substrate.

31. The authentication mark according to claim 30, wherein the first portion of the substrate intersects with at least a portion of the second portion of the substrate.

32. The authentication mark according to claim 31, wherein the first portion of the substrate is the same as the second portion of the substrate.

33. The authentication mark according to claim 30, wherein the first portion of the substrate is separate from the second portion of the substrate.

34. A method of authenticating a substrate having an authentication mark on the substrate, wherein a consumer can perform at least a portion of an authentication, the mark comprising a first image, wherein a first compound is used to create at least a portion of the first image, the first compound adapted to be altered between at least a first state and a second state, the method comprising:

viewing the first image when the first compound is in the first state;

changing the first compound from the first state to the second state;

viewing the first image when the first compound is in the second state; and

determining whether the mark is authentic based on a change between the first and second states.

35. The method according to claim 34, further comprising:

viewing a second compound that is not visible to the naked eye through a detection device, the second compound being used to create a second image, the second image being at least a portion of the mark.

36. The method according to claim 34, further comprising:

applying the mark to the substrate.

37. The method according to claim 34, further comprising applying the mark with a printer.

38. The method according to claim 34, further comprising applying the mark with an inkjet printer.

39. The method according to claim 35, further comprising:

applying the first compound and the second compound simultaneously to the substrate.

40. The method according to claim 35, further comprising:

applying the first compound to the substrate at a different time than the second compound.

41. An authentication mark to be applied to a substrate for aiding in the determination of whether the substrate is authentic, comprising:

a first image comprising a hologram; and

a second image comprising a compound, the second image not being visible to the naked eye.

42. The authentication mark according to claim 41, wherein the hologram comprises at least two layers, wherein the second image is disposed between the layers.

43. The authentication mark according to claim 41, wherein the second compound, in response to irradiating light, absorbs or emits a wavelength of light outside the visible range.

44. The authentication mark according to claim 41, wherein the second compound is phosphorescent or fluorescent.