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Official data from INPI

UM PROCESSO PARA A PREPARAÇÃO DE CIANATOS AROMÁTICOS.

Em AnáliseInvention Patent
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Application data

Number

PI8407178

Type

Invention Patent

Filing

10/10/1984

Publication

11/05/1985
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Progress at the INPI

  1. Filing10/10/84
  2. Publication11/05/85
  3. Examination07/28/87
  4. Allowance03/02/93
  5. Abandoned
  6. In force

The application was allowed on 03/02/1993 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

M. [. (pessoa física)

W. [. (pessoa física)

Technical data

IPC Classification

C07C 261/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

104

11/05/1985

RPI 785

Notificação de entrada na fase nacional - PCT

#1.3

11/05/1985

RPI 785

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C07C 118/00.

03/20/2018

RPI 2463

Arquivamento - Art. 38 §2° da LPI

#11.4

10/19/1993

RPI 1194

Notificação para pagamento de retribuição

#13.1

06/15/1993

RPI 1176

Deferimento

#9.1

03/02/1993

RPI 1161

Exigência - art. 36 da LPI

#6.1

10/08/1991

RPI 1088

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