초록

A paperboard comprises from greater than 0% to 100% recycled fibers and has a microorganism count of less than 5,000 colony forming units per gram of paperboard.

대표청구항 ▼

1. A paperboard comprising: from greater than 0% to about 40% unbleached fibers; andat least one of a sizing chemical and a strength additive,wherein the paperboard has a microorganism count of less than about 5,000 colony forming units per gram of paperboard. 2. The paperboard of claim 1, wherein t

1. A paperboard comprising: from greater than 0% to about 40% unbleached fibers; andat least one of a sizing chemical and a strength additive,wherein the paperboard has a microorganism count of less than about 5,000 colony forming units per gram of paperboard. 2. The paperboard of claim 1, wherein the paperboard comprises from greater than 0% to 100% recycled fibers. 3. The paperboard of claim 2, wherein the paperboard is for being used in a low microorganism direct food contact application. 4. The paperboard of claim 2, wherein the recycled fibers include post-consumer waste fibers. 5. The paperboard of claim 4, wherein the paperboard comprises from about 15 to about 30% unbleached fibers. 6. The paperboard of claim 4, wherein the paperboard comprises about 25% unbleached fibers. 7. The paperboard of claim 6, wherein the unbleached fibers comprise old corrugated container fibers. 8. The paperboard of claim 2, wherein the paperboard comprises at least about 75% recycled fibers. 9. The paperboard of claim 2, wherein the paperboard comprises at least about 85% recycled fibers. 10. The paperboard of claim 2, wherein the paperboard comprises at least about 95% recycled fibers. 11. The paperboard of claim 2, wherein the paperboard comprises 100% recycled fibers. 12. The paperboard of claim 2, wherein the paperboard is for being formed into an article selected from the group consisting of a cup, a plate, a bowl, a tray, a platter, a container, and a food package. 13. The paperboard of claim 1, wherein the paperboard comprises from greater than 0% to 100% recycled fibers, the recycled fibers including up to 100% post-consumer waste fibers. 14. The paperboard of claim 13, wherein the recycled fibers include up to 75% post-consumer waste fibers. 15. The paperboard of claim 13, wherein the recycled fibers include up to 50% post-consumer waste fibers. 16. The paperboard of claim 13, wherein the recycled fibers include up to 40% post-consumer waste fibers. 17. The paperboard of claim 13, wherein the paperboard comprises from about 15 to about 30% unbleached fibers. 18. The paperboard of claim 13, wherein the paperboard comprises about 25% unbleached fibers. 19. The paperboard of claim 18, wherein the unbleached fibers comprise old corrugated container fibers. 20. The paperboard of claim 1, wherein the paperboard is for being used in a low microorganism direct food contact application. 21. The paperboard of claim 1, wherein the paperboard comprises from about 15 to about 30% unbleached fibers. 22. The paperboard of claim 1, wherein the paperboard comprises about 25% unbleached fibers. 23. The paperboard of claim 1, wherein the paperboard comprises at least about 75% recycled fibers. 24. The paperboard of claim 1, wherein the paperboard comprises at least about 85% recycled fibers. 25. The paperboard of claim 1, wherein the paperboard comprises at least about 95% recycled fibers. 26. The paperboard of claim 1, wherein the paperboard comprises 100% recycled fibers. 27. The paperboard of claim 1, formed into an article selected from the group consisting of a cup, a plate, a bowl, a tray, a platter, a container, and a food package. 28. The paperboard of claim 1, wherein the paperboard has a caliper of from about 0.007 to about 0.022 inches. 29. The paperboard of claim 1, wherein the paperboard has a coliform level of less then 10/gram. 30. A paperboard, in combination with a food item, wherein the paperboard comprises: from greater than 0% to about 40% unbleached fibers; andat least one of a sizing chemical and a strength additive,wherein the paperboard is in direct contact with the food item, andthe paperboard has a microorganism count of less than about 5,000 colony forming units per gram of paperboard. 31. The combination of claim 30, wherein the food item comprises a liquid. 32. The combination of claim 30, wherein the paperboard comprises an article selected from the group consisting of a cup, a plate, a bowl, a tray, a platter, a container, and a food package.