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

PROCESSO PARA A PRODUÇÃO CONTÍNUA DE POLÍMERO HALOGENADO

DeferidaInvention Patent

Application data

Number

PI8404938

Type

Invention Patent

Filing

10/01/1984

Publication

05/06/1986

Progress at the INPI

  1. Filing10/01/84
  2. Publication05/06/86
  3. Examination06/28/88
  4. Allowance12/05/89
  5. Grant05/29/90
  6. Terminated05/14/96

The patent was granted on 05/29/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

See this company's full portfolio

Inventors

F. B. (pessoa física)

US

N. N. (pessoa física)

US

R. K. (pessoa física)

US

W. D. (pessoa física)

DE

Z. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

651.621 · 09/17/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

12/05/1989

RPI 998

Exigência - art. 36 da LPI

#6.1

04/25/1989

RPI 966

Solicitação de exame técnico

#4.1

06/28/1988

RPI 923

Publicação do pedido de patente

#3.1

05/06/1986

RPI 811

Pedido de patente depositado

#2.1

12/11/1984

RPI 738

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

04/10/1990

RPI 1013

Patent monitoring

Track this patent in real time.

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