Patent GB190721746A successfully refreshed from Google Patents.
Patent FR564619A successfully refreshed from Google Patents.
← Back to Patent Explorer
GB870022A Expired / Lapsed GB ⏱️ 0.0 years remaining

Improvements in adhesive tapes

Assignee: 3M Co
•
Filing: 1959-06-23
•
Granted: —
•
Expires: 1979-06-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A tetrapolymer for use in a low adhesion backsize coating comprises octadecyl acrylate, acrylic acid, acrylonitrile and methyl acrylate in the approximate proportions by weight of 5 : 1 : 3 : 1. The tetrapolymer may be made from a monomeric mixture in per cent by weight of 51% octadecyl acrylate, 9% acrylic acid, 29% acrylonitrile, and 11% methyl acrylate. The polymerization may take place in the presence of ethyl acetate and benzoyl peroxide, further quantities of which are added during the course of the reaction.

Inventors

  • 👤 Carl A Dahlquist
  • 👤 Robert E Zenk

Bibliographic Details

Application Number —
Jurisdiction GB
Data Source google_patents
Last Synchronized 2026-10-23 05:18
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; C09J2203/00; C09J2203/31; C09J2400/00; C09J2400/20; C09J2400/28; C09J2400/283

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag