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Official data from INPI

MATERIAL ÓPTICO NÃO LINEAR POLIMÉRICO, PROCESSO PARA PRODUZIR MATERIAL ÓPTICO NÃO LINEAR POLIMÉRICO, ARTIGO COM PROPRIEDADES ÓPTICAS, DISPOSITIVO COM MATERIAL ÓPTICO NÃO LINEAR E GUIA DE ONDA

ArquivadaInvention Patent

Application data

Number

PI9006151

Type

Invention Patent

Filing

11/27/1990

Publication

09/24/1991

Progress at the INPI

  1. Filing11/27/90
  2. Publication09/24/91
  3. Abandoned12/14/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/22/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

J. K. (pessoa física)

M. M. (pessoa física)

Technical data

Priority claims

US

441,732 · 11/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

06/22/1999

RPI 1485

Exigência - art. 36 da LPI

#6.1

02/12/1997

RPI 1367

Solicitação de exame técnico

#4.1

12/14/1993

RPI 1202

Publicação do pedido de patente

#3.1

09/24/1991

RPI 1086

Pedido de patente depositado

#2.1

05/14/1991

RPI 1067

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