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Official data from INPI

PROCESSO PARA PREPARAR UM DERIVADO DE ÁCIDO BUTENÓICO.

Em AnáliseInvention Patent

Application data

Number

PI8603845

Type

Invention Patent

Filing

08/12/1986

Publication

03/24/1987

Progress at the INPI

  1. Filing08/12/86
  2. Publication03/24/87
  3. Examination12/06/88
  4. Allowance06/22/93
  5. Grant03/29/94
  6. Terminated06/18/96

The patent was granted on 03/29/1994 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/06/1988. 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

H. K. (pessoa física)

JP

M. T. (pessoa física)

JP

Technical data

Priority claims

JP

035570/1986 · 02/20/1986

JP

052304/1986 · 03/10/1986

JP

115905/1986 · 05/20/1986

JP

122924/1986 · 05/28/1986

JP

135595/1986 · 06/11/1986

JP

177978/1985 · 08/13/1985

JP

177979/1985 · 08/13/1985

JP

230536/1985 · 10/15/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/06/1988

RPI 946

Publicação do pedido de patente

#3.1

03/24/1987

RPI 857

Pedido de patente depositado

#2.1

02/24/1987

RPI 853

Anuidade - prazo legal encerrado

#18.2

06/18/1996

RPI 1333

Concessão da patente

#16.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

11/09/1993

RPI 1197

Deferimento

#9.1

06/22/1993

RPI 1177

Exigência - art. 36 da LPI

#6.1

10/13/1992

RPI 1141

Exigência - art. 36 da LPI

#6.1

11/19/1991

RPI 1094

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