Patent · US Expired

Dispensable polypropylene adhesive-coated tape

US4451533A · kind A · utility

35Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 9, 1983
Grant dateMay 29, 1984
Priority date
Expiry dateFeb 9, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31938
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A tape comprising a polypropylene backing coated on one surface with an adhesive. The backing is biaxially oriented to provide a secant modulus of elasticity measured at one percent elongation in its longitudinal direction of at least about 25.times.10.sup.5 kilopascals, will break before it can be stretched in its longitudinal direction by about 55 percent and can be transversely cut by forces of less than about 13 newtons on the cutters of commercially available tabletop tape dispensers.

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