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

PROCESSO PARA PRODUZIR MAGNÉSIO DE ALTA PUREZA

ArquivadaInvention PatentPCT · US1989003709

Application data

Number

PI8907067

Type

Invention Patent

Filing

08/28/1989

Publication

01/02/1991

PCT

US1989003709

Progress at the INPI

  1. Filing08/28/89
  2. Publication01/02/91
  3. Examination03/10/92
  4. Allowance01/02/96
  5. Abandoned
  6. In force

The application was allowed on 01/02/1996 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 01/27/1998. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

G. G. (pessoa física)

H. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

237.928 · 08/29/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

01/27/1998

RPI 1414

Notificação para pagamento de retribuição

#13.1

07/02/1996

RPI 1335

Deferimento

#9.1

01/02/1996

RPI 1309

Solicitação de exame técnico

#4.1

03/10/1992

RPI 1110

Notificação de entrada na fase nacional - PCT

#1.3

01/02/1991

RPI 1048

Patent monitoring

Track this patent in real time.

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