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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE 2,2-DIÓXIDO DE 6-METIL-3,4-DIHIDRO-1,2,3-OXATIAZIN-4-ONA E SEUS SAIS ATÓXICOS.

Em AnáliseInvention Patent

Application data

Number

PI8503715

Type

Invention Patent

Filing

08/06/1985

Publication

05/06/1986

Progress at the INPI

  1. Filing08/06/85
  2. Publication05/06/86
  3. Examination06/21/88
  4. Refused01/12/93
  5. Grant
  6. In force

The application was refused on 01/12/1993 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

E. S. (pessoa física)

DE

K. C. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 29 039.7 · 08/07/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/21/1988

RPI 922

Publicação do pedido de patente

#3.1

05/06/1986

RPI 811

Pedido de licença compulsória

#20.1

12/03/1985

RPI 789

Pedido de patente depositado

#2.1

10/15/1985

RPI 782

111

01/12/1993

RPI 1154

Petição de recurso

#12.2

10/08/1991

RPI 1088

Indeferimento

#9.2

06/25/1991

RPI 1073

Exigência - art. 36 da LPI

#6.1

10/09/1990

RPI 1036

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