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Official data from INPI

COMPOSIÇÃO DE RESINA DE POLIPROPILENO DE ELEVADA SINDIOTATICIDADE, E PROCESSO PARA A SUA PREPARAÇÃO

ArquivadaInvention Patent

Application data

Number

PI9002744

Type

Invention Patent

Filing

06/11/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing06/11/90
  2. Publication08/20/91
  3. Abandoned10/15/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/11/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mitsui Toatsu Chemicals, Incorporated

JP

See this company's full portfolio

Inventors

K. T. (pessoa física)

JP

N. U. (pessoa física)

JP

T. A. (pessoa física)

JP

T. S. (pessoa física)

JP

T. I. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

146738/1989 · 06/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.31

11/11/1997

RPI 1406

Exigência - art. 36 da LPI

#6.1

04/30/1996

RPI 1326

Solicitação de exame técnico

#4.1

10/15/1991

RPI 1089

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

10/16/1990

RPI 1037

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