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Official data from INPI

COMPOSTO MERCAPTO E PROCESSO PARA SUA PREPARAÇÃO; PROCESSO PARA PRODUZIR UMA RESINA À BASE DE POLIURETANO; RESINAS; PROCESSO PARA PRODUZIR UMA LENTE PLÁSTICA

Em AnáliseInvention Patent

Application data

Number

PI8901246

Type

Invention Patent

Filing

03/17/1989

Publication

-

Progress at the INPI

  1. Filing03/17/89
  2. Publication
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 10/10/1989. 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. S. (pessoa física)

JP

M. I. (pessoa física)

T. S. (pessoa física)

Y. K. (pessoa física)

Technical data

Priority claims

JP

105466/1988 · 04/30/1988

JP

114793/1988 · 05/13/1988

JP

320402/1988 · 12/21/1988

JP

320403/1988 · 12/21/1988

JP

320404/1988 · 12/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

10/10/1989

RPI 990

Pedido de patente depositado

#2.1

05/09/1989

RPI 968

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