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Official data from INPI

COMPOSIÇÃO POLIMÉRICA TERMOPLÁSTICA RETICULÁVEL E PROCESSO PARA FABRICAÇÃO.

Em AnáliseInvention Patent
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Application data

Number

PI8503458

Type

Invention Patent

Filing

07/19/1985

Publication

04/15/1986
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Progress at the INPI

  1. Filing07/19/85
  2. Publication04/15/86
  3. Examination03/08/88
  4. Allowance04/20/93
  5. Grant09/28/93
  6. Terminated05/21/96

The patent was granted on 09/28/1993 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BP Chemicals Limited

GB

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Inventors

D. B. (pessoa física)

GB

J. U. (pessoa física)

FR

Technical data

IPC Classification

C08K 5/57C08L 27/14C08L 27/16C08L 27/18C08L 27/20C08L 43/04

Priority claims

GB

84 18591 · 07/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/15/1988

RPI 908

Solicitação de exame técnico

#4.1

03/08/1988

RPI 907

Publicação do pedido de patente

#3.1

04/15/1986

RPI 808

Pedido de patente depositado

#2.1

09/24/1985

RPI 779

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

08/17/1993

RPI 1185

Deferimento

#9.1

04/20/1993

RPI 1168

Republicação - classificação IPC

#15.11

11/05/1991

RPI 1092

Exigência - art. 36 da LPI

#6.1

10/15/1991

RPI 1089

Exigência - art. 36 da LPI

#6.1

01/02/1991

RPI 1048

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