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Official data from INPI

PROCESSOS PARA A PREPARAÇÃO DE ACIDO DE 3-AMINO-4-HIDROXIBENZÓICO E PARA A PREPARAÇÃO DE ÁCIDO 3-NITRO-4-HIDROXIBENZÓICO

Em AnáliseInvention Patent

Application data

Number

PI8602926

Type

Invention Patent

Filing

06/25/1986

Publication

02/17/1987

Progress at the INPI

  1. Filing06/25/86
  2. Publication02/17/87
  3. Abandoned05/16/89
  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.

Talk to a specialist

Latest action published by the INPI: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

Z. L. (pessoa física)

CA

Technical data

Priority claims

US

749.079 · 06/26/1985

US

827.996 · 02/10/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/16/1989

RPI 969

Publicação do pedido de patente

#3.1

02/17/1987

RPI 852

Pedido de patente depositado

#2.1

12/23/1986

RPI 844

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 67/70; C07C 65/03; C07C 69/78; C07C 69/88; C07C 51/00.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

03/16/1993

RPI 1163

Exigência - art. 36 da LPI

#6.1

04/21/1992

RPI 1116

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