Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE RESINAS DE TROCA IÔNICA TENDO VIAS DE DIFUSÃO CURTAS

ArquivadaInvention Patent

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Application data

Number

PI8904457

Type

Invention Patent

Filing

09/04/1989

Publication

04/17/1990

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Progress at the INPI

Filing09/04/89
Publication04/17/90
Abandoned06/30/92
Allowance
Grant
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: 09/19/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rohm And Haas Company

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Inventors

J. N. (pessoa física)

W. F. (pessoa física)

Technical data

IPC Classification

C08F 8/36

Priority claims

240,989 · 09/06/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

06/30/1992

RPI 1126

Publicação do pedido de patente

#3.1

04/17/1990

RPI 1014

Pedido de patente depositado

#2.1

01/23/1990

RPI 1003

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