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Official data from INPI

PROCESSO PARA PREPARAR MATERIAIS DE ÁCIDOS MONO- OU DICARBOXÍLICOS SUBSTITUÍDOS COM HIDROCARBILA DE CADEIA LONGA, E MATERIAL DISPERSANTE DE ÓLEO LUBRIFICANTE

ArquivadaInvention Patent

Application data

Number

PI9000505

Type

Invention Patent

Filing

02/06/1990

Publication

01/15/1991

Progress at the INPI

  1. Filing02/06/90
  2. Publication01/15/91
  3. Abandoned01/12/93
  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: 07/27/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents, Inc

US

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Inventors

J. E. (pessoa física)

US

J. B. (pessoa física)

O. N. (pessoa física)

R. R. (pessoa física)

Technical data

Priority claims

CA

590,328 · 02/07/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/27/1999

RPI 1490

Exigência - art. 36 da LPI

#6.1

09/01/1998

RPI 1445

Exigência - art. 36 da LPI

#6.1

04/30/1996

RPI 1326

Solicitação de exame técnico

#4.1

01/12/1993

RPI 1154

Publicação do pedido de patente

#3.1

01/15/1991

RPI 1050

Pedido de patente depositado

#2.1

06/05/1990

RPI 1021

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