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Official data from INPI

PROCESSO PARA PREPARAR UM DIHIDROCARBIL DITIOFOSFATO DE ZINCO/COBRE (ZN/CU DDP), COMPOSIÇÃO DE ÓLEO LUBRIFICANTE E CONCENTRADO

PublicadaInvention Patent

Application data

Number

PI8806156

Type

Invention Patent

Filing

11/23/1988

Publication

08/15/1989

Progress at the INPI

  1. Filing11/23/88
  2. Publication08/15/89
  3. Abandoned09/24/91
  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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents, Inc

US

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Inventors

T. C. (pessoa física)

GB

Technical data

Priority claims

GB

8727500 · 11/24/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/15/1989

RPI 982

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Arquivamento - Art. 36 §1° da LPI

#11.2

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

12/30/1997

RPI 1410

Conhecimento de parecer técnico

#7.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

09/24/1991

RPI 1086

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