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Official data from INPI

DERIVADOS DE ÁCIDO ACRÍLICO

Em AnáliseInvention PatentPCT · CH1989000216

Application data

Number

PI8907287

Type

Invention Patent

Filing

12/12/1989

Publication

03/12/1991

PCT

CH1989000216

Progress at the INPI

  1. Filing12/12/89
  2. Publication03/12/91
  3. Examination04/20/93
  4. Allowance
  5. Grant
  6. In force

Published on 03/12/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 08/23/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

F. Hoffmann-La Roche Ag.

CH

See this company's full portfolio

Inventors

B. W. (pessoa física)

CH

H. I. (pessoa física)

S. T. (pessoa física)

CH

Technical data

Priority claims

CH

3975/89 · 11/03/1989

CH

4849/88 · 12/29/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

04/20/1993

RPI 1168

14.1

07/16/1991

RPI 1076

Notificação de entrada na fase nacional - PCT

#1.3

03/12/1991

RPI 1058

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