Claims
- 1. A paper product printed with at least one masking pattern so that the masking pattern at least partially obscures objects appearing behind the product, said paper product being at least partially translucent prior to printing with the masking pattern, said paper product having at least one pattern printed with at least one ink the color of which when printed on said paper product is within a color range for L, a and b of the HunterLab Color Scale, calculated in accordance with the following formulas:Link=Ltissue+C1(Lhand−Ltissue) aink=atissue+C2(ahand−atissue) bink=btissue+C3(bhand−btissue) wherein Ltissue and Lhand are meter measurements of at least one paper product sample and at least one hand reading respectively; wherein atissue and ahand are meter measurements of at least one paper product sample and at least one hand reading respectively; wherein btissue and bhand are meter measurements of at least one paper product sample and at least one hand reading respectively; and wherein C1 is in the range from about −0.5 to about 1, and C2 and C3 each is in the range from 0 and about 1.
- 2. The paper product of claim 1 above in which C1, C2 and C3 each is in the range from about 0 to about 1.
- 3. The paper product of claim 1 above in which C1, C2 and C3 each is in the range from about 0 to about 0.75.
- 4. The paper product of claim 1 above in which C1, C2 and C3 each is in the range from about 0 to about 0.5.
- 5. The paper product of claim 1 above in which C1, C2 and C3 each is in the range from about 0.25 to about 0.5.
- 6. A paper product having a degree of translucency in the unprinted state, comprising a masking pattern to camouflage the transparency of the paper product formed by printing an ink on the paper product, the printed ink on the paper product having a color within a color range for L, a, and b of the HunterLab Color Scale, calculated according toLink=Ltissue+W aink=atissue+C2(ahand−atissue) bink=btissue+C3(bhand−btissue) wherein Link, aink, and bink, respectively, are meter measurements of the printed ink on the paper product, Ltissue, atissue, and btissue, respectively, are meter measurements of the unprinted paper product, ahand, and bhand, respectively, are meter measurements of a human palm, W is in the range from 0 to about 15, and C2 and C3each is in the range from about 0 to about 1.
- 7. The paper product of claim 6 in which C2 and C3 each is in the range from about 0 to about 0.75.
- 8. The paper product of claim 6 in which C2 and C3 each is in the range from about 0 to about 0.5.
- 9. The paper product of claim 6 in which C2 and C3 each is in the range from about 0.25 to about 0.5.
- 10. The paper product of claim 6, wherein W is in the range from about 0 to about 12.
- 11. The paper product of claim 6, wherein W is in the range from about 2 to about 10.
- 12. A paper product having at least partial translucency in the unprinted state, said paper product printed with at least one masking pattern to camouflage the transparency of the paper product formed by printing an ink on the paper product, the printed ink on the paper product having a color within a color range L, a, and b values of the HunterLab Color Scale calculated according to Link=Ltissue+C4(Lh+t−Ltissue)aink=atissue+C5(ah+t−atissue) bink=btissue+C6(bh+t−btissue) wherein Link, aink, and bink, respectively, are meter measurements of the printed ink on the paper product, Ltissue, atissue, btissue, respectively, are meter measurements of the unprinted paper product; Lh+t, ah+t, and bh+t, respectively, are meter measurements of the unprinted paper product placed on the palm of a human hand, C4 is in the range from −0.5 to 1, and C5 and C6 each is in the range from about 0 to about 1.
- 13. The paper product of claim 12 above in which C4, C5, and C6 each is in the range from about 0 to about 1.
- 14. The paper product of claim 12 above in which C4, C5, and C6 each is in the range from about 0 to about 0.75.
- 15. The paper product of claim 12 above in which C4, C5, and C6 each is in the range from about 0 to about 0.5.
- 16. The paper product of claim 12 above in which C4, C5, and C6 each is in the range from about 0.25 to about 0.5.
- 17. The paper product of claims 1, 6 or 12 having an unprinted opacity of about 70 or less.
- 18. The paper product of claims 1, 6 or 12 having an unprinted opacity of about 65 or less.
- 19. The paper product of claims 1, 6 or 12 having an unprinted opacity of about 60 or less.
- 20. The paper product of claims 1, 6 or 12 having an unprinted opacity of about 55 or less.
- 21. The paper product of claims 1, 6 or 12 wherein the paper product is an uncreped through-airdried product.
- 22. The paper product of claims 1, 6 or 12 wherein the paper product is a facial tissue.
- 23. The paper product of claims 1, 6 or 12 wherein the paper product is bath tissue.
- 24. The paper product of claims 1, 6 or 12 wherein the paper product is a towel.
- 25. The paper product of claims 1, 6 or 12 wherein the paper product is a napkin.
- 26. The paper product of claims 1, 6 or 12 wherein the paper product has a pattern substantially as shown in FIG. 1 or FIG 2.
- 27. The paper product of claims 1, 6 or 12 wherein ahand is about 12 and bhand is about 13.
- 28. The paper product of claims 1, 6 or 12 wherein the ink is printed on the paper product with a nonuniform print density.
- 29. The paper product of claims 1, 6 or, 12 further comprising a second ink printed in a second pattern.
- 30. The paper product of claims 1, 6 or 12, wherein the printed masking pattern is not readily discernible to the human eye when viewed from a distance of 3 feet.
- 31. The paper product according to claims 1, 6 or 12 wherein Lhand is about 55, ahand is about 12 bhand is about 13.
- 32. The paper product according to claims 1, 6 or 12 wherein Lhand is about 45, ahand is about 12 bhand is about 13.
RELATED APPLICATION
This application is a divisional of patent application Ser. No. 09/468,502, filed Dec. 21, 1999, (pending), which is based on Provisional Application Serial No. 60/114,237, filed Dec. 30, 1998, which is hereby incorporated by referenced herein.
US Referenced Citations (13)
Non-Patent Literature Citations (4)
Entry |
Instruction Manual for the Technibrite Micro TB-1C, 1995, § 4.15-5.10. |
Fred W. Billmeyer, Jr. and Max Saltzman, Principles of Color Technology, 2nd ed., New York, John Wiley and Sons, 1981, pp. 57-63, 87. |
Article, Color, by Kurt Nassau in the Kirk-Othmer Encyclopedia of Chemical Technology, vol. 6, 1993, pp. 855-858. |
Richard A. Hunter, The Measurement of Appearance, John Wiley and Songs, 1975, pp. 106-107, 122-123. |
Provisional Applications (1)
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Number |
Date |
Country |
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60/114237 |
Dec 1998 |
US |