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Official data from INPI

PROCESSO PARA PREPARAÇÀO DE ÉSTER OTICAMENTE ATIVO DE ÁCIDO CARBOXÍLICO ALFA-QUIRAL (OTICAMENTE ATIVO) E PARA PREPARAÇÃO DE ÁCIDO CARBOXÍLICO ALFA-QUIRAL.

Em ExigênciaInvention Patent

Application data

Number

PI8400793

Type

Invention Patent

Filing

02/21/1984

Publication

09/25/1984

Progress at the INPI

  1. Filing02/21/84
  2. Publication09/25/84
  3. Abandoned10/29/86
  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.

Talk to a specialist

Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Oil Company

US

See this company's full portfolio

Inventors

S. W. (pessoa física)

Technical data

Priority claims

US

468.100 · 02/22/1983

US

567.991 · 02/22/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/03/1989

RPI 989

Solicitação de exame técnico

#4.1

10/29/1986

RPI 836

Publicação do pedido de patente

#3.1

09/25/1984

RPI 727

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 69/025; C07C 49/88; C07C 69/14; C07C 103/52.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

04/10/1990

RPI 1013

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