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

COMPOSIÇÃO FORMADORA DE GEL AQUOSO, PROCESSO PARA PREPARAR UM GEL AQUOSO E PROCESSO PARA MELHORAR A RECUPERAÇÃO DE PETRÓLEO

Em AnáliseInvention Patent

Application data

Number

PI8801956

Type

Invention Patent

Filing

04/22/1988

Publication

11/22/1988

Progress at the INPI

  1. Filing04/22/88
  2. Publication11/22/88
  3. Abandoned05/16/89
  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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pfizer, Inc.

US

See this company's full portfolio

Inventors

F. F. (pessoa física)

US

R. G. (pessoa física)

US

Technical data

Priority claims

US

042.073 · 04/24/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/16/1989

RPI 969

Publicação do pedido de patente

#3.1

11/22/1988

RPI 944

Pedido de patente depositado

#2.1

08/23/1988

RPI 931

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09K 7/02; E21B 43/22.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

02/21/1995

RPI 1264

Exigência - art. 36 da LPI

#6.1

07/19/1994

RPI 1233

Exigência - art. 36 da LPI

#6.1

01/25/1994

RPI 1208

Patent monitoring

Track this patent in real time.

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