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Official data from INPI

PROCESSO PARA FORMAR UM ADITIVO DISPERSANTE CONTENDO NITROGÊNIO PARA ÓLEO LUBRIFICANTE, ADITIVO DISPERSANTE, ADITIVO PARA ÓLEO, PROCESSO PARA PRODUZIR O MESMO E COMPOSIÇÃO DE ÓLEO LUBRIFICANTE

ArquivadaInvention Patent

Application data

Number

PI9002569

Type

Invention Patent

Filing

05/30/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing05/30/90
  2. Publication08/20/91
  3. Abandoned10/05/93
  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: 04/06/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents, Inc

US

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Inventors

A. G. (pessoa física)

US

R. L. (pessoa física)

US

Technical data

Priority claims

US

358,903 · 05/30/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

07/07/1998

RPI 1437

Solicitação de exame técnico

#4.1

10/05/1993

RPI 1192

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

10/09/1990

RPI 1036

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