Procédé de préparation d'alpha-acrylacrylonitriles

European patent · EP0183249 · Deleted

Register entry

Publication number
EP0183249
Application number
EP85115072
Kind
European patent with effect for Switzerland and Liechtenstein
Status
Deleted
Specification
Granted
Filed
Nov 27, 1985
Published
Jun 4, 1986
Granted
Mar 1, 1989
Deleted
Nov 30, 1993
Reason
Annual fee unpaid
IPC classes
C07C 120/00 (1985.01)
C07C 121/66 (1985.01)
C07C 121/48 (1985.01)
Priority
US A 676479 29.11.1984
US A 735151 17.05.1985
US A 735148 17.05.1985
US A 735146 17.05.1985
Filing language
English
Source
Swissreg

History

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

  1. Oct 25, 2024

    Deleted, fee unpaid

    Published in Swissreg on 25.10.2024

  2. Apr 14, 1989

    Granted

    Published in PIDTJ No 7 in 1989

Parties

Holder

Ethyl Corporation

Ethyl Tower 451 Florida Blvd., Baton Rouge/LA, US

Agent

Dr. Conrad A. Riederer Patentanwalt

7310 Bad Ragaz

Inventor

Ramachandran, Venkataraman

Baton Rouge Louisiana 70810, US

Maloney, John Robert

Baton Rouge Louisiana 70810, US

Davidson, Robert Ira

Baton Rouge Louisiana 70810, US

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.