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

PROCESSO PARA A PRODUÇÃO DE CLORETOS METÁLICOS

ConcedidaInvention Patent

Application data

Number

PI8302874

Type

Invention Patent

Filing

05/30/1983

Publication

01/24/1984

Progress at the INPI

  1. Filing05/30/83
  2. Publication01/24/84
  3. Examination09/10/85
  4. Allowance12/13/88
  5. Grant08/29/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCM Chemicals, Limited

GB

Inventors

A. C. (pessoa física)

M. R. (pessoa física)

GB

Technical data

Priority claims

GB

8215870 · 06/01/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Republicação - classificação IPC

#15.11

01/10/1989

RPI 951

Deferimento

#9.1

12/13/1988

RPI 947

Exigência - art. 36 da LPI

#6.1

05/24/1988

RPI 918

6.2

02/24/1987

RPI 853

Solicitação de exame técnico

#4.1

09/10/1985

RPI 777

Publicação do pedido de patente

#3.1

01/24/1984

RPI 692

Pedido de patente depositado

#2.1

07/12/1983

RPI 664

Carta-patente expirada

#21.1

Patente extinta em 30/05/98

07/01/2008

RPI 1956

Pedido de licença compulsória

#20.1

03/30/1993

RPI 1165

20.7

03/30/1993

RPI 1165

Patent monitoring

Track this patent in real time.

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