Official data from INPI

PROCESSO PARA CO-PRODUCAO DE ETER TERC-ALQUIL-METILICO E ACIDO FORMICO

ArquivadaInvention Patent

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Application data

Number

PI8207696

Type

Invention Patent

Filing

05/13/1981

Publication

04/12/1983

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Progress at the INPI

Filing05/13/81
Publication04/12/83
Examination12/26/84
Allowance03/11/86
Abandoned
In force

The application was allowed on 03/11/1986 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ONSAGER OLAV T [NO]

Inventors

O. [. (pessoa física)

Technical data

IPC Classification

C07C 27/00 C07C 41/01 C07C 41/05 C07C 47/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

12/26/1984

RPI 740

Notificação de entrada na fase nacional - PCT

#1.3

04/12/1983

RPI 651

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