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Official data from INPI

PROCESSO PARA PREPARAR ESPUMA FLEXIVEL DE POLIURETANA,ESPUMA FLEXIVEL DE POLIURETANA,E,COMPOSICAO PARA MELHORAR O RETARDAMENTO DE CHAMA E O RETARDAMENTO DE GOTEJAMENTO DE MATERIAL INCANDESCENTE DE ESPUMAS DE POLIURETANA

ArquivadaInvention Patent

Application data

Number

PI8306855

Type

Invention Patent

Filing

12/14/1982

Publication

07/24/1984

Progress at the INPI

  1. Filing12/14/82
  2. Publication07/24/84
  3. Abandoned08/12/86
  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.

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Latest action published by the INPI: 02/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAUFFER CHEMICAL CO [US]

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Inventors

F. G. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

02/14/1989

RPI 956

Exigência - art. 36 da LPI

#6.1

07/19/1988

RPI 926

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

07/24/1984

RPI 718

Pedido de patente depositado

#2.1

02/21/1984

RPI 696

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