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Official data from INPI

PROCESSO DE FABRICACAO DE ESPUMA DE POLIURETANO(RIGIDA,SEMI-RIGIDA OU FLEXIVEL)EXPANDIDA SIMULTANEAMENTE COM UM POLIMERO TERMOPLASTICO,ESPECIALMENTE O POLIESTIRENO EXPANSIVEL(EPS)

Em ExigênciaInvention Patent
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Application data

Number

PI8302229

Type

Invention Patent

Filing

04/29/1983

Publication

12/04/1984
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Progress at the INPI

  1. Filing04/29/83
  2. Publication12/04/84
  3. Abandoned05/21/85
  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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

QUIMICA IND CBF LTDA [BR]

Inventors

S. D. (pessoa física)

S. R. (pessoa física)

Technical data

IPC Classification

C08J 9/00C08L 75/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/07/1989

RPI 994

Pedido de certificado de adição de invenção

#5.1

10/22/1985

RPI 783

Solicitação de exame técnico

#4.1

05/21/1985

RPI 761

Publicação do pedido de patente

#3.1

12/04/1984

RPI 737

Pedido de patente depositado

#2.1

06/14/1983

RPI 660

Republicação - classificação IPC

#15.11

Alterada a classificação de C08J 9/00 e C08L 75/04 para C08L 75/04 e C08J 9/00.

09/12/2017

RPI 2436

Republicação - classificação IPC

#15.11

01/05/2010

RPI 2035

Arquivamento - Art. 36 §1° da LPI

#11.2

06/19/1990

RPI 1023

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