(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

COMPOSICOES ORGANICAS DE TITANIO PARA USO EM POCOS DE PETROLEO E GAS

Em AnáliseInvention Patent

Application data

Number

PI8405079

Type

Invention Patent

Filing

10/11/1983

Publication

08/20/1985

Progress at the INPI

  1. Filing10/11/83
  2. Publication08/20/85
  3. Examination06/02/87
  4. Allowance
  5. Grant
  6. In force

Published on 08/20/1985, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Leave your contact and we will alert you

We track INPI publications and let you know as soon as this case moves.

We use your details only for this alert.

Latest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

See this company's full portfolio

Inventors

P. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

07/28/1987

RPI 875

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

08/20/1985

RPI 774

Pedido de patente depositado

#2.1

12/26/1984

RPI 740

101

04/23/1991

RPI 1064

Recurso

#12.1

01/08/1991

RPI 1049

Deferimento

#9.1

10/02/1990

RPI 1035

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.