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Official data from INPI

PROCESSO DESCONTÍNUO PARA A FABRICAÇÃO DE ACETATO DE POLIVINILA HOMOPOLÍMERO EM SOLUÇÃO AQUOSA.

Em AnáliseInvention Patent

Application data

Number

PI8405120

Type

Invention Patent

Filing

10/05/1984

Publication

04/29/1986

Progress at the INPI

Under appeal
  1. Filing10/05/84
  2. Publication04/29/86
  3. Examination08/12/86
  4. Refused02/09/93
  5. Grant
  6. In force

The application was refused by the INPI on 02/09/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia S/A

SP, BR

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Inventors

G. L. (pessoa física)

BR

M. T. (pessoa física)

BR

V. N. (pessoa física)

BR

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

12/30/1986

RPI 845

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação antecipada

#3.2

04/29/1986

RPI 810

Pedido de patente depositado

#2.1

12/26/1984

RPI 740

Indeferimento

#9.2

02/09/1993

RPI 1158

Conhecimento de parecer técnico

#7.1

07/16/1991

RPI 1076

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