Liquid board

Details Liquid board Liquid board

2007-11-06

2007-11-06

Halpern, Mark (Department: 1731)

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

C162S127000, C162S128000, C162S158000, C162S164100, C428S034600

Reexamination Certificate

active

10312013

ABSTRACT:
The invention relates to liquid board comprising one or more layers of material containing cellulose, one or more of said layers comprising an additive that has the capacity to react with or decompose a disinfectant with which said liquid board is treated, so that a gas is formed that acts as a barrier and thereby prevents the penetration, especially edge penetration, of said disinfectant into the paperboard layer/layers.

REFERENCES:
patent: 3127274 (1964-03-01), Weinke
patent: 4031285 (1977-06-01), Miller et al.
patent: 4927496 (1990-05-01), Walkden
patent: 5308441 (1994-05-01), Kern
patent: 5456800 (1995-10-01), Tansley et al.
patent: 502 090 (1995-08-01), None

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