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Official data from INPI

COMPOSIÇÃO POLIMERIZÁVEL, E, PROCESSO PARA PREPARAR UMA TAL COMPOSIÇÃO POLIMERIZÁVEL.

Em AnáliseInvention Patent

Application data

Number

PI8600290

Type

Invention Patent

Filing

01/24/1986

Publication

10/07/1986

Progress at the INPI

  1. Filing01/24/86
  2. Publication10/07/86
  3. Examination11/16/88
  4. Allowance02/24/93
  5. Grant08/31/93
  6. Terminated12/31/96

The patent was granted on 08/31/1993 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

See this company's full portfolio

Inventors

M. O. (pessoa física)

W. S. (pessoa física)

Technical data

Priority claims

GB

8501869 · 01/25/1985

GB

8510667 · 04/26/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/16/1988

RPI 943

Publicação do pedido de patente

#3.1

10/07/1986

RPI 833

Pedido de patente depositado

#2.1

07/22/1986

RPI 822

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

06/08/1993

RPI 1175

Deferimento

#9.1

02/24/1993

RPI 1160

Republicação - classificação IPC

#15.11

11/12/1991

RPI 1093

Exigência - art. 36 da LPI

#6.1

11/05/1991

RPI 1092

Exigência - art. 36 da LPI

#6.1

11/20/1990

RPI 1042

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