Procédé de préparation de polymères à groupements imide

Swiss patent · CH641478 · Deleted

Register entry

Publication number
CH641478
Application number
CH003534/1979
Kind
Swiss patent
Status
Deleted
Specification
Granted
Filed
Apr 12, 1979
Published
Feb 29, 1984
Granted
Feb 29, 1984
Deleted
Apr 30, 1990
Reason
Annual fee unpaid
IPC classes
C08G 77/00 (2006.01)
C08G 73/10 (2006.01)
Priority
FR A78 11450 13.04.1978
Filing language
French
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Oct 29, 2024

    Deleted, fee unpaid

    Published in Swissreg on 29.10.2024

  2. Feb 29, 1984

    Granted

    Published in PIDTJ No 4 in 1984

Parties

Holder

Rhône-Poulenc Industries

22, avenue Montaigne, Paris 8e, FR

Agent

Kirker & Cie SA

122, rue de Genève Case postale 65, 1226 Thônex (Genève)

Inventor

Robert Cassat

Ternay, FR

Bruno Vignando

Saint-Fons, FR

The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.