Official data from INPI

EMULSAO BETUMINOSA CATIONICAS

ArquivadaInvention Patent

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Application data

Number

PI8301942

Type

Invention Patent

Filing

04/26/1982

Publication

12/20/1983

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Progress at the INPI

Filing04/26/82
Publication12/20/83
Abandoned04/17/84
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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WESTVACO CORP [US]

Inventors

S. P. (pessoa física)

Technical data

IPC Classification

C08K 5/20 C08L 95/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/23/1989

RPI 970

Exigência - art. 36 da LPI

#6.1

10/18/1988

RPI 939

15.5

10/06/1987

RPI 885

Conhecimento de parecer técnico

#7.1

04/30/1985

RPI 758

Pedido de certificado de adição de invenção

#5.1

09/04/1984

RPI 724

Solicitação de exame técnico

#4.1

04/17/1984

RPI 704

Publicação do pedido de patente

#3.1

12/20/1983

RPI 687

Pedido de patente depositado

#2.1

05/31/1983

RPI 658

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