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Official data from INPI

COMPOSIÇÃO LUBRIFICANTE CONTENDO SULFONATO DE MAGNÉSIO SUPERBASIFICADO, E, CONCENTRADO DE ADITIVO APLICÁVEL NA FORMULAÇÃO DE ÓLEO LUBRIFICANTE.

PublicadaInvention Patent

Application data

Number

PI8805249

Type

Invention Patent

Filing

10/12/1988

Publication

05/30/1989

Progress at the INPI

  1. Filing10/12/88
  2. Publication05/30/89
  3. Examination04/30/91
  4. Allowance04/07/98
  5. Abandoned
  6. In force

The application was allowed on 04/07/1998 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents, Inc

US

See this company's full portfolio

Inventors

G. H. (pessoa física)

GB

J. M. (pessoa física)

GB

M. V. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

GB

87-23907 · 10/12/1987

GB

88-06972 · 03/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/30/1989

RPI 971

Pedido de patente depositado

#2.1

02/21/1989

RPI 957

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Art. 38 § 2º LPI.

06/22/1999

RPI 1485

Deferimento

#9.1

04/07/1998

RPI 1424

Exigência - art. 36 da LPI

#6.1

04/09/1996

RPI 1323

Exigência - art. 36 da LPI

#6.1

06/27/1995

RPI 1282

Solicitação de exame técnico

#4.1

04/30/1991

RPI 1065

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