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Official data from INPI

ADITIVOS DISPERSANTES SOLÚVEIS EM ÓLEO, ÚTEIS EM COMPOSIÇÕES OLEOSAS.

Em AnáliseInvention Patent

Application data

Number

PI8603225

Type

Invention Patent

Filing

07/10/1986

Publication

03/17/1987

Progress at the INPI

  1. Filing07/10/86
  2. Publication03/17/87
  3. Examination05/09/89
  4. Refused03/18/97
  5. Grant
  6. In force

The application was refused on 03/18/1997 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/10/1989. We update with every new RPI gazette, published weekly.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

10/10/1989

RPI 990

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

02/24/1987

RPI 853

111

03/18/1997

RPI 1372

Petição de recurso

#12.2

08/03/1993

RPI 1183

Indeferimento

#9.2

04/27/1993

RPI 1169

Conhecimento de parecer técnico

#7.1

02/25/1992

RPI 1108

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