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Official data from INPI

CONCENTRADO DE ÓLEO LUBRIFICANTE DE CARBONATO AROMÁTICO, DE BAIXA VISCOSIDADE E PROCESSO PARA FORMAR UM CONCENTRADO DE ÓLEO LUBRIFICANTE DE CARBONATO AROMÁTICO, DE BAIXA VISCOSIDADE

ArquivadaInvention Patent

Application data

Number

PI9100779

Type

Invention Patent

Filing

02/26/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/26/91
  2. Publication10/29/91
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/26/1991 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/28/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents, Inc

US

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Inventors

G. S. (pessoa física)

US

P. L. (pessoa física)

US

Technical data

Priority claims

US

484,289 · 02/26/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/28/1994

RPI 1230

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

09/03/1991

RPI 1083

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