Patent · US Expired

Process for making form sets from carbonless copy paper sheets

US4230514A · kind A · utility

11Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 26, 1978
Grant dateOct 28, 1980
Priority date
Expiry dateJul 26, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24793
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A process for separating a collated stack of carbonless copy paper sheets into form sets, which comprises pretreating the edge of the stack of sheets to be padded with a non-aqueous material, drying, applying an adhesive composition, drying and separating the unit sets.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.