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Official data from INPI

PROCESSO PARA PREPARAR UM COMPOSTO.

Em AnáliseInvention Patent

Application data

Number

PI8604673

Type

Invention Patent

Filing

09/26/1986

Publication

06/16/1987

Progress at the INPI

  1. Filing09/26/86
  2. Publication06/16/87
  3. Examination11/08/88
  4. Allowance06/22/93
  5. Grant11/30/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sumitomo Chemical Company, Limited

JP

See this company's full portfolio

Inventors

E. N. (pessoa física)

JP

K. M. (pessoa física)

JP

R. S. (pessoa física)

JP

T. H. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

001171/1986 · 01/06/1986

JP

216043/1985 · 09/27/1985

JP

274113/1985 · 12/05/1985

JP

274114/1985 · 12/05/1985

JP

274115/1985 · 12/05/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/08/1988

RPI 942

Publicação do pedido de patente

#3.1

06/16/1987

RPI 869

Pedido de patente depositado

#2.1

03/24/1987

RPI 857

Carta-patente expirada

#21.1

Patente extinta em 26/09/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/30/1993

RPI 1200

Deferimento

#9.1

06/22/1993

RPI 1177

Exigência - art. 36 da LPI

#6.1

01/28/1992

RPI 1104

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