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Official data from INPI

Lubrificante, uso do Lubrificante, e, uso de Naftaleno Alquil-Substituido em um Lubrificante.

ArquivadaInvention PatentPCT · GB1997001857

Application data

Number

PI9710296

Type

Invention Patent

Filing

07/10/1997

Publication

08/17/1999

PCT

GB1997001857

Progress at the INPI

  1. Filing07/10/97
  2. Publication08/17/99
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 07/10/1997 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/25/2003. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Castrol Limited

GB

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Inventors

R. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

60/021694 · 07/12/1996

Abstract

"LUBRIFICANTE, USO DO LUBRIFICANTE, E, USO DE NAFTALENO ALQUIL-SUBSTITUÍDO EM UM LUBRIFICANTE". Um lubrificante compreendendo naftaleno alquil-substituído e um éster.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

02/25/2003

RPI 1677

Notificação de entrada na fase nacional - PCT

#1.3

08/17/1999

RPI 1493

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