Official data from INPI

PROCESSO DE PRODUCAO DE 2,3-DIIDRO-1,4-DITIINAS

ArquivadaInvention Patent

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Application data

Number

PI8107821

Type

Invention Patent

Filing

12/02/1980

Publication

09/08/1982

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Progress at the INPI

Filing12/02/80
Publication09/08/82
Abandoned11/06/84
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: 07/15/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNIROYAL LTD [CA]

Inventors

B. D. (pessoa física)

L. D. (pessoa física)

T. S. (pessoa física)

Technical data

IPC Classification

C07D 339/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/15/1986

RPI 821

Exigência - art. 36 da LPI

#6.1

10/08/1985

RPI 781

Solicitação de exame técnico

#4.1

11/06/1984

RPI 733

Publicação do pedido de patente

#3.1

09/08/1982

RPI 620

Pedido de patente depositado

#2.1

01/12/1982

RPI 586

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