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Official data from INPI

COMPOSIÇÃO CURÁVIL

Em AnáliseInvention Patent

Application data

Number

PI8506402

Type

Invention Patent

Filing

12/19/1985

Publication

09/02/1986

Progress at the INPI

  1. Filing12/19/85
  2. Publication09/02/86
  3. Examination08/30/88
  4. Allowance10/02/90
  5. Grant04/30/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

L. C. (pessoa física)

US

Technical data

Priority claims

US

685505 · 12/24/1984

US

685506 · 12/24/1984

US

695511 · 10/28/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/30/1988

RPI 932

Publicação do pedido de patente

#3.1

09/02/1986

RPI 828

Pedido de patente depositado

#2.1

03/04/1986

RPI 802

Carta-patente expirada

#21.1

Patente extinta em 19/12/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

04/30/1991

RPI 1065

Notificação para pagamento de retribuição

#13.1

01/15/1991

RPI 1050

Deferimento

#9.1

10/02/1990

RPI 1035

Exigência - art. 36 da LPI

#6.1

05/15/1990

RPI 1018

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