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Official data from INPI

COMPOSIÇÃO DE POLÍMERO DE CLORETO DE VINILA

DeferidaInvention Patent

Application data

Number

PI8502175

Type

Invention Patent

Filing

05/07/1985

Publication

01/07/1986

Progress at the INPI

  1. Filing05/07/85
  2. Publication01/07/86
  3. Examination08/05/86
  4. Allowance07/25/89
  5. Grant01/09/90
  6. Terminated05/21/96

The patent was granted on 01/09/1990 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. K. (pessoa física)

JP

Inventors

H. H. (pessoa física)

JP

H. H. (pessoa física)

JP

T. H. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

91240/1984 · 05/08/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

07/25/1989

RPI 979

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

01/07/1986

RPI 794

Pedido de patente depositado

#2.1

07/09/1985

RPI 768

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

01/09/1990

RPI 1001

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