Paper Products
First Claim
Patent Images
1. A paper product, comprising:
- a paperboard comprising a substrate layer, a filler layer, and a cap layer, wherein the filler layer is disposed between the substrate layer and the cap layer, wherein the filler layer includes a filler material, wherein the cap layer includes a polylactic acid based resin, and wherein the cap layer is substantially free of filler material.
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Accused Products
Abstract
A paper product includes a paperboard comprising a substrate layer, a filler layer, and a cap layer, wherein the filler layer is disposed between the substrate layer and the cap layer, wherein the filler layer includes a filler material, wherein the cap layer includes a polylactic acid based resin, and wherein the cap layer is substantially free of filler material.
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Citations
17 Claims
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1. A paper product, comprising:
a paperboard comprising a substrate layer, a filler layer, and a cap layer, wherein the filler layer is disposed between the substrate layer and the cap layer, wherein the filler layer includes a filler material, wherein the cap layer includes a polylactic acid based resin, and wherein the cap layer is substantially free of filler material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A paper product, comprising:
a paperboard comprising a substrate layer, a first filler layer, a second filler layer, a first cap layer, a second cap layer, wherein the substrate layer is disposed between the first filler layer and the second filler layer, wherein the first filler layer is disposed between the first cap layer and the substrate layer, wherein the second filler layer is disposed between the second cap layer and the substrate layer, wherein each of the first filler layer and the second filler layer includes a first filler material, wherein the first cap layer and the second cap layer includes a polylactic acid based resin, and wherein each of the first cap layer and the second cap layer is substantially free of filler material. - View Dependent Claims (15, 16)
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17. A paper product, comprising:
a paperboard comprising a substrate layer, a filler layer, and a cap layer, wherein the filler layer is disposed between the substrate layer and the cap layer, wherein the filler layer includes a filler material, wherein the cap layer includes a polyester material selected from the group consisting of;
polycaprolactone (PCL), polyvalerolactone (PVL), poly(lactide-co-glycolide) (PLGA), polybutyrolactone (PBL), polyglycolide, and polypropiolactone (PPL) poly(butylene terephthalate) (PBT), polybutylene adipate terephthalate (PBAT), poly butanediol adipic acid (PBA), polylactic acid (PLA), and combinations thereof, and wherein the cap layer is substantially free of filler material.
Specification