Official data from INPI

PROCESSO PARA A PRODUCAO DE RESINA DE SULFETO DE POLIFENILENO APERFEICOADA

PublicadaInvention Patent

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Application data

Number

PI8800982

Type

Invention Patent

Filing

04/06/1987

Publication

10/11/1988

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Progress at the INPI

Filing04/06/87
Publication10/11/88
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 04/06/1987 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KUREHA CHEMICAL IND CO LTD [JP]

POLYPLASTICS CO [JP]

Inventors

N. T. (pessoa física)

T. K. (pessoa física)

Technical data

IPC Classification

C08G 61/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/11/1988

RPI 938

Pedido de patente depositado

#2.1

07/12/1988

RPI 925

Arquivamento - Art. 33 da LPI

#11.1

06/11/1991

RPI 1071

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