Glass plate interleaving paper

Patent metadata

Field	Value
Publication number	US-11913172-B2
Application number	US-201816496205-A
Country	US
Kind code	B2
Filing date	Feb 16, 2018
Priority date	Mar 24, 2017
Publication date	Feb 27, 2024
Grant date	Feb 27, 2024

Abstract

Provided is a glass plate interleaving paper including cellulose pulp as a main component. A percentage of aluminum content is below 0.2 mass %, and a basis weight is in a range from 10 to 100 g/m 2 . Further, it is preferred that the glass plate interleaving paper have a percentage of aluminum content below 0.01 mass %. Still further, it is preferred that the glass plate interleaving paper have a percentage of talc content below 0.1 mass %.

First claim

The invention claimed is:

1. A glass plate interleaving paper comprising:
cellulose pulp as a main component;
more than 0 mass % aluminum sulfate; and
talc,
wherein the glass plate interleaving paper further comprises no more than 0.1 mass % in total of papermaking chemicals,
wherein the glass plate interleaving paper comprises 0 mass % of papermaking surfactants and cationic polymers, and
wherein the glass plate interleaving paper has:
less than 0.01 mass % of aluminum ions released from the aluminum sulfate;
a talc content of below 0.1 mass %; and
a basis weight in a range of from 10 to 100 g/m 2 .

Assignees

• Oji Holdings Corp

Inventors

• Hagihara Koichi
• Shirai Kazuhiko

Classifications

• B65D85/48

  for glass sheets · CPC title

• C03B40/033

  Means for preventing adhesion between glass and glass · CPC title

• D21H17/63 Primary

  Inorganic compounds · CPC title

• D21H17/25

  Cellulose · CPC title

• D21H5/00 Primary

  Special paper or cardboard not otherwise provided for (duplicating or recording paper B41M) · CPC title