Paper making and fiber liberation – Processes and products – Non-fiber additive
Reexamination Certificate
2007-12-25
2007-12-25
Halpern, Mark (Department: 1731)
Paper making and fiber liberation
Processes and products
Non-fiber additive
C162S181200, C162S135000, C162S136000, C162S137000, C428S342000, C106S206100, C106S217100, C106S400000, C106S464000
Reexamination Certificate
active
10827531
ABSTRACT:
Composite compounds of co-structured or co-adsorbed organic or mineral fillers or pigments containing at least two organic or mineral fillers or pigments of a different nature and the use thereof in the paper industry for manufacturing paper, filling or coating or for any other surface treatment of the paper as well as wood or metal or plastic or cement surface treatment compounds in the fields of aqueous and non-aqueous prints and plastics materials. Coating colors, uncoated filling compound and sheets of base paper for coating containing them.
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Buri Matthias
Gane Patrick A.
Halpern Mark
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Omya AG
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