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Official data from INPI

PROCESSO DE PREPARAÇÃO DE COPOLIETERAMIDAS HOMOGÊNEAS COM ESTRUTURA DE BLOCO

Em AnáliseInvention Patent
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Application data

Number

PI8506162

Type

Invention Patent

Filing

12/09/1985

Publication

08/26/1986
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Progress at the INPI

  1. Filing12/09/85
  2. Publication08/26/86
  3. Examination02/03/87
  4. Allowance06/25/91
  5. Grant12/31/91
  6. Terminated08/15/95

The patent was granted on 12/31/1991 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: 02/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

J. C. (pessoa física)

FR

J. G. (pessoa física)

FR

Technical data

IPC Classification

C08G 69/34C08G 69/40

Priority claims

FR

84/19100 · 12/11/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/03/1987

RPI 850

Publicação do pedido de patente

#3.1

08/26/1986

RPI 827

Pedido de patente depositado

#2.1

02/25/1986

RPI 801

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Concessão da patente

#16.1

12/31/1991

RPI 1100

Republicação - classificação IPC

#15.11

11/12/1991

RPI 1093

Notificação para pagamento de retribuição

#13.1

10/22/1991

RPI 1090

Deferimento

#9.1

06/25/1991

RPI 1073

Exigência - art. 36 da LPI

#6.1

01/02/1991

RPI 1048

Exigência - art. 36 da LPI

#6.1

06/05/1990

RPI 1021

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