Procédé de préparation de polymères à groupements imide

Swiss patent · CH640871 · Deleted

Register entry

Publication number
CH640871
Application number
CH005011/1979
Kind
Swiss patent
Status
Deleted
Specification
Granted
Filed
May 29, 1979
Published
Jan 31, 1984
Granted
Jan 31, 1984
Deleted
May 31, 1990
Reason
Annual fee unpaid
IPC classes
C08F 222/40 (2006.01)
C08F 220/56 (2006.01)
C08L 79/08 (2006.01)
Priority
FR A78 16012 30.05.1978
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. Jan 31, 1984

    Granted

    Published in PIDTJ No 2 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

Jean Louis Locatelli

Vienne, FR

Bernard Rollet

Lyon, 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.