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Official data from INPI

PRODUTO DE REAÇÃO, SOLÚVEL EM OLEO, UTILIZÁVEL COMO DISPERSANTE-APERFEIÇOADO DE I V , PROCESSO PARA SUA PREPARAÇÃO, E COMPOSIÇÃO OLEAGINOSA QUE O CONTÉM

Prazo de SigiloInvention Patent

Application data

Number

PI8903516

Type

Invention Patent

Filing

07/17/1989

Publication

03/13/1990

Progress at the INPI

  1. Filing07/17/89
  2. Publication03/13/90
  3. Abandoned03/31/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

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

Applicants and inventors

Applicants

Exxon Chemical Patentes, Inc

US

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Inventors

D. C. (pessoa física)

US

J. J. (pessoa física)

Technical data

Priority claims

US

220.310 · 07/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/10/1989

RPI 990

Arquivamento - Art. 36 §1° da LPI

#11.2

02/13/1996

RPI 1315

Exigência - art. 36 da LPI

#6.1

06/06/1995

RPI 1279

Solicitação de exame técnico

#4.1

03/31/1992

RPI 1113

Publicação do pedido de patente

#3.1

03/13/1990

RPI 1009

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