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Official data from INPI

PROCESSO PARA CATALIZAÇÃO DE REAÇÃO

PublicadaInvention Patent

Application data

Number

PI8801414

Type

Invention Patent

Filing

03/28/1988

Publication

11/01/1988

Progress at the INPI

  1. Filing03/28/88
  2. Publication11/01/88
  3. Examination04/09/91
  4. Allowance03/19/96
  5. Grant08/25/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 11/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ICI Americas, Inc.

US

See this company's full portfolio

Inventors

S. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

032.116 · 03/30/1987

US

162.989 · 03/16/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/01/1988

RPI 941

Pedido de patente depositado

#2.1

07/26/1988

RPI 927

Carta-patente expirada

#21.1

Patente extinta em 25/08/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

08/25/1998

RPI 1444

Notificação para pagamento de retribuição

#13.1

01/27/1998

RPI 1414

15.15

12/31/1996

RPI 1361

Deferimento

#9.1

03/19/1996

RPI 1320

Exigência - art. 36 da LPI

#6.1

06/27/1995

RPI 1282

Solicitação de exame técnico

#4.1

04/09/1991

RPI 1062

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