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Official data from INPI

PROCESSO DE PREPARAÇÃO DE POLIÉSTER

Em AnáliseInvention Patent

Application data

Number

PI8504444

Type

Invention Patent

Filing

09/10/1985

Publication

07/15/1986

Progress at the INPI

  1. Filing09/10/85
  2. Publication07/15/86
  3. Examination09/06/88
  4. Allowance11/27/90
  5. Grant10/29/91
  6. Terminated08/08/95

The patent was granted on 10/29/1991 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: 09/06/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia S/A

SP, BR

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Inventors

M. L. (pessoa física)

FR

Technical data

Priority claims

FR

84/14081 · 09/11/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

09/06/1988

RPI 933

Publicação do pedido de patente

#3.1

07/15/1986

RPI 821

Pedido de patente depositado

#2.1

11/19/1985

RPI 787

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 63/18; C08G 63/36; C08J 5/18.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

08/08/1995

RPI 1288

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

06/11/1991

RPI 1071

Deferimento

#9.1

11/27/1990

RPI 1043

Exigência - art. 36 da LPI

#6.1

03/06/1990

RPI 1008

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