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Official data from INPI

COMPOSIÇÃO DE RESINA DE SULFETO DE POLIARILENO

Em AnáliseInvention Patent

Application data

Number

PI9003012

Type

Invention Patent

Filing

06/27/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing06/27/90
  2. Publication08/20/91
  3. Examination11/26/91
  4. Allowance
  5. Grant
  6. In force

Published on 08/20/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. C. (pessoa física)

US

Polyplastics Co. Ltd.

JP

See this company's full portfolio

Inventors

A. A. (pessoa física)

US

T. N. (pessoa física)

JP

T. N. (pessoa física)

JP

Technical data

Priority claims

JP

164.310 · 06/27/1989

JP

164.311 · 06/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08K 75/50; C08L 81/00.

03/27/2018

RPI 2464

Retificação

#15.3

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

11/26/1991

RPI 1095

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

11/13/1990

RPI 1041

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