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

PROCESSO PARA PRODUÇÃO DE COMPOSIÇÕES DE EMULSÃO AQUOSA DE SILICONA

ConcedidaInvention Patent

Application data

Number

PI8405243

Type

Invention Patent

Filing

10/17/1984

Publication

08/27/1985

Progress at the INPI

  1. Filing10/17/84
  2. Publication08/27/85
  3. Examination05/05/87
  4. Allowance09/06/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Toray Silicone Company, Ltd.

JP

Inventors

H. K. (pessoa física)

JP

T. K. (pessoa física)

JP

Technical data

Priority claims

JP

204482/83 · 10/31/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

12/27/1988

RPI 949

Deferimento

#9.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Publicação do pedido de patente

#3.1

08/27/1985

RPI 775

Pedido de patente depositado

#2.1

01/02/1985

RPI 741

Carta-patente expirada

#21.1

Patente extinta em 17/10/99

07/08/2008

RPI 1957

Patent monitoring

Track this patent in real time.

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