PRESSURE SENSITIVE RECORD MATERIAL

申请公布号：ZA8807509(B)

申请号：ZA19880007509

申请日期：1988.10.06

申请公布日期：1989.06.28

申请人：

THE WIGGINS TEAPE GROUP LIMITED

发明人：JOHN BRIAN COOPER;TRACEY ALISON DOMAN

分类号：B41M5/132;B41M5/155

主分类号：B41M5/132

摘要：Acid sized carbonless base paper incorporating a sulphate based filler, particularly calcium sulphate, is less base reactive than otherwise similar paper made using conventional clay (kaolin) fillers. Carbonless paper, particularly CB paper, made from such base is less susceptible to undesired discolouration arising from base reactivity.

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