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Official data from INPI

COMPOSIÇÕES LUBRIFICANTES À BASE DE UM OU DE MAIS ÓLEOS MINERAIS OU DE ÓLEOS SINTÉTICOS CONTENDO ADITIVO À BASE DE DERIVADOS DE BENZOTIAZOLINO-2-TIONA.

Em AnáliseInvention Patent
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Application data

Number

PI8602353

Type

Invention Patent

Filing

05/22/1986

Publication

01/21/1987
View on INPI

Progress at the INPI

  1. Filing05/22/86
  2. Publication01/21/87
  3. Examination03/21/89
  4. Allowance04/20/93
  5. Grant09/28/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

D. P. (pessoa física)

GB

D. C. (pessoa física)

CH

Technical data

IPC Classification

C10M 135/36

Priority claims

CH

2199/85 · 05/23/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/21/1989

RPI 961

Publicação do pedido de patente

#3.1

01/21/1987

RPI 848

Pedido de patente depositado

#2.1

11/18/1986

RPI 839

Carta-patente expirada

#21.1

Patente extinta em 22/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

08/17/1993

RPI 1185

Deferimento

#9.1

04/20/1993

RPI 1168

Exigência - art. 36 da LPI

#6.1

04/21/1992

RPI 1116

Exigência - art. 36 da LPI

#6.1

09/03/1991

RPI 1083

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