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Official data from INPI

PROCESSO PARA SINTETIZAR UM COMPOSITO DE TOLUENODIAMINA .

Em AnáliseInvention Patent

Application data

Number

PI8505253

Type

Invention Patent

Filing

10/11/1985

Publication

07/29/1986

Progress at the INPI

  1. Filing10/11/85
  2. Publication07/29/86
  3. Abandoned12/02/86
  4. Allowance
  5. Grant
  6. 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: 12/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Air Products And Chemicals, Inc

US

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Inventors

B. M. (pessoa física)

D. D. (pessoa física)

J. C. (pessoa física)

W. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

659,597 · 10/10/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/02/1986

RPI 841

Publicação do pedido de patente

#3.1

07/29/1986

RPI 823

Pedido de patente depositado

#2.1

12/24/1985

RPI 792

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 87/50; C07C 85/18.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

11/17/1992

RPI 1146

Exigência - art. 36 da LPI

#6.1

02/04/1992

RPI 1105

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