Archival aperture card
First Claim
1. Archival film mount stock manufactured from a formulation including:
- between 40 and 60% softwood pulp;
between 60 and 40% hardwood pulp;
between 1.5 and 2.5% on total pulp, alkaline earth carbonate;
between 0.1 and 0.2% on total pulp, internal sizing agent;
between 0.2 and 0.5% on total pulp, cationic starch;
between 0.1 and 0.2% on total pulp, surface sizing agent; and
between 0.5 and 1.5% solids added to the surface sizing agent, of a slip agent.
1 Assignment
0 Petitions
Accused Products
Abstract
Archival quality aperture cards manufactured from stock formulation including:
1. between 40 and 60% southern softwood kraft pulp;
2. between 60 and 40% northern mixed hardwood pulp;
3. between 1.5 and 2.5% on total pulp, calcium carbonate for alkaline reserve;
4. between 0.05 and 1.0% on total pulp, alkyl ketene dimer as an internal sizing agent;
5. between 0.2 and 1.0% on total pulp, cationic potato starch for internal bonding improvements;
6. between 0.5 and 2.0% on total pulp, cationic potato starch as a surface sizing agent;
7. between 0.5 and 2.5% solids added to the surface sizing agent, alkyl ketene dimer as a slip agent; and
8. between 0.01 and 0.3% dyed rayon granitizing fibers.
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Citations
56 Claims
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1. Archival film mount stock manufactured from a formulation including:
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between 40 and 60% softwood pulp; between 60 and 40% hardwood pulp; between 1.5 and 2.5% on total pulp, alkaline earth carbonate; between 0.1 and 0.2% on total pulp, internal sizing agent; between 0.2 and 0.5% on total pulp, cationic starch; between 0.1 and 0.2% on total pulp, surface sizing agent; and between 0.5 and 1.5% solids added to the surface sizing agent, of a slip agent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 22)
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17. Archival film mount stock manufactured from a formulation including:
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between 40 and 60% northern softwood kraft pulp; between 60 and 40% northern mixed hardwood pulp; between 1.5 and 2.5% on total pulp, calcium carbonate; between 0.1 and 0.2% total pulp, alkenyl succinic anhydride; between 0.2 and 0.5% on total pulp, cationic potato starch; between 0.1 and 0.2% on total pulp, cationic potato starch as a surface sizing agent; and between 0.5 and 1.5% solids in the surface sizing agent, alkyl ketene dimer as a slip agent. - View Dependent Claims (18)
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19. Archival film mount stock manufactured from a formulation including:
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a mixture of hardwood pulp and softwood pulp containing at east 10% softwood pulp; an amount of alkalne earth carbonate which provides the stock with an alkaline reserve greater than a molar equivalent of about 2% calcium carbonate, and an ash content below bout 2%; between about 0.05 and 1.00% on total pulp, internal sizing agent; between about 0.1 and 1.5% on total pulp, cationic starch; between about 0.05 and 2.00% on total pulp, surface sizing agent; and between about 0.5 and 1.5% solids added to the surface sizing agent, of a slip agent. - View Dependent Claims (20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. Archival film mount stock manufactured from a formulation including:
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a mixture of hardwood pulp and softwood pulp containing at least 10% softwood pulp; between about 1.5 and 2.5% on total pulp, calcium carbonate; between about 0.05 and 0.20% on total pulp, alkenyl succinc anhydride; between about 0.2 and 1.0% on total pulp, cationic potato starch; between about 0.1 and 1.0% on total pulp, cationic potato starch as a surface sizing agent; and between about 0.5 and 1.5% solids in the surface sizing agent, alkyl ketene dimer as a slip agent. - View Dependent Claims (37)
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38. Archival film mount stock manufactured from a formulation including:
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a mixture of hardwood pulp and softwood pulp containing at least 10% softwood pulp; an amount of alkalne earth carbonate which provides the stock with an alkaline reserve greater than a molar equivalent of about 2% calcium carbonate, and an ash content below about 2%; between about 0.05 and 1.0% on total pulp, internal sizing agent; between about 0.2 and 1.0% on total pulp, cationic starch; between about 0.5 and 2.0% on total pulp, surface sizing agent; and between about 0.5 and 2.5% solids added to the surface sizing agent, of a slip agent. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54)
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55. Archival film mount stock manufactured from a formulation including:
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a mixture of hardwood pulp and softwood pulp containing at least 10% softwood pulp; between about 1.5 and 2.5% on total pulp, calcium carbonate; between about 0.05 and 1.0% on total pulp, alkyl ketene dimer; between 0.2 and 1.0% on total pulp, cationic potato starch; between about 0.5 and 2.0% on total pulp, cationic potato starch as a surface sizing agent; and between about 0.5 and 2.5% solids in the surface sizing agent, alkyl ketene dimer as a slip agent. - View Dependent Claims (56)
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Specification