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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE UM TECIDO FORRADO COM POLIURETANA, COMPOSIÇÃO CONTENDO HIDROGÊNIO ATIVO E MÉTODO DE USAR UMA COMPOSIÇÃO FORMADORA DE POLIURETANA

PublicadaInvention Patent

Application data

Number

PI8805036

Type

Invention Patent

Filing

09/27/1988

Publication

05/09/1989

Progress at the INPI

  1. Filing09/27/88
  2. Publication05/09/89
  3. Abandoned06/25/91
  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: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

G. B. (pessoa física)

J. S. (pessoa física)

R. J. (pessoa física)

R. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

102,220 · 09/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/09/1989

RPI 968

Pedido de patente depositado

#2.1

02/14/1989

RPI 956

Arquivamento - Art. 36 §1° da LPI

#11.2

01/02/1996

RPI 1309

Exigência - art. 36 da LPI

#6.1

05/30/1995

RPI 1278

Solicitação de exame técnico

#4.1

06/25/1991

RPI 1073

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