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Official data from INPI

COMPOSICOES A BASE DE POLIMEROS DO CLORETO DE VINILA-ESTABILIZADAS AO CALOR

Em AnáliseInvention Patent

Application data

Number

PI8107156

Type

Invention Patent

Filing

11/05/1980

Publication

07/20/1982

Progress at the INPI

  1. Filing11/05/80
  2. Publication07/20/82
  3. Examination08/07/84
  4. Allowance08/04/87
  5. Grant02/23/88
  6. Terminated07/12/88

The patent was granted on 02/23/1988 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SOLVAY [BE]

Inventors

G. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

02/23/1988

RPI 905

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

08/04/1987

RPI 876

Conhecimento de parecer técnico

#7.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

Pedido de patente depositado

#2.1

12/22/1981

RPI 583

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