IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0860391
(2010-08-20)
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등록번호 |
US-8734895
(2014-05-27)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
Novak Druce Connolly Bove + Quigg LLP
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인용정보 |
피인용 횟수 :
0 인용 특허 :
21 |
초록
▼
In order to provide grease, oil and wax resistance to a paper substrate, a coating containing a binder, a filler material and calcium carbonate is used. The coating of the invention is essentially free from fluorocarbons, which are considered harmful to human and animal populations, and surfactants
In order to provide grease, oil and wax resistance to a paper substrate, a coating containing a binder, a filler material and calcium carbonate is used. The coating of the invention is essentially free from fluorocarbons, which are considered harmful to human and animal populations, and surfactants and other chemicals which may alter the color of the coated paper. The coated paper has a GE brightness level between approximately 50 and approximately 90, while providing superior grease, oil and wax resistance.
대표청구항
▼
1. A method of imparting grease, oil and wax resistance to a substrate comprising: providing a cellulose-containing substrate having a surface area, selected from the group consisting of individual fibers, paper, paperboard, bagstock, ticket stock, blended or unblended kraft or liner board;applying
1. A method of imparting grease, oil and wax resistance to a substrate comprising: providing a cellulose-containing substrate having a surface area, selected from the group consisting of individual fibers, paper, paperboard, bagstock, ticket stock, blended or unblended kraft or liner board;applying a water based mineral coating, comprising a filler material;a binder; andcalcium carbonate, essentially free from surfactants, to the substrate, further comprising the step of unwinding the substrate from a roll and wherein the coating is applied after the substrate is unwound from the roll. 2. A method of imparting grease, oil and wax resistance to a substrate comprising: providing a cellulose-containing substrate having a surface area, selected from the group consisting of individual fibers, paper, paperboard, bagstock, ticket stock, blended or unblended kraft or liner board;,applying a water based mineral coating, comprising a filler material;a binder; andcalcium carbonate, essentially free from surfactants, to the substrate, wherein said applying is performed such that the ratio of coating (dry lbs.) to 1000 square feet of surface area of the substrate is approximately 0.6 to approximately 8.0. 3. A method of imparting grease, oil and wax resistance to a substrate comprising: providing a cellulose-containing substrate having a surface area, selected from the group consisting of individual fibers, paper, paperboard, bagstock, ticket stock, blended or unblended kraft or liner board;applying a water based mineral coating, comprising a filler material;a binder; andcalcium carbonate, essentially free from surfactants, to the substrate, wherein said applying is performed such that the ratio of coating (dry lbs.) to 1000 square feet of surface area of the substrate is approximately 0.6 to approximately 6.0. 4. A method of imparting grease, oil and wax resistance to a substrate comprising: providing a cellulose-containing substrate having a surface area, selected from the group consisting of individual fibers, paper, paperboard, bagstock, ticket stock, blended or unblended kraft or liner board;applying a water based mineral coating, comprising a filler material;a binder; andcalcium carbonate, essentially free from surfactants, to the substrate, wherein the filler material includes at least one of clay, sodium hexametaphosphate, TiO2 and talc.
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