Official data from INPI

ÉTER DE CELULOSE APERFEIÇOADO E SUA PRODUÇÃO

ArquivadaInvention PatentPCT · EP1988000160

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Application data

Number

PI8806039

Type

Invention Patent

Filing

03/03/1988

Publication

10/31/1989

PCT

EP1988000160

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Progress at the INPI

Filing03/03/88
Publication10/31/89
Abandoned
Allowance
Grant
In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Carbide Benelux N.V.

Inventors

A. D. (pessoa física)

J. P. (pessoa física)

R. B. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

C08B 11/08

Priority claims

8706120 · 03/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Arquivamento - Art. 34 da LPI

#11.5

05/19/1992

RPI 1120

Solicitação de exame não realizada

#4.2

07/02/1991

RPI 1074

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