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Official data from INPI

APERFEIÇOAMENTO NO PROCESSO DE FABRICAÇÃO DE ÁCIDO CIANÚRICO POR AQUECIMENTO DE URÉIA A UMA TEMPERATURA SUPERIOR A SUA TEMPERATURA DE FUSÃO

IndeferidaInvention Patent

Application data

Number

PI8202283

Type

Invention Patent

Filing

04/20/1982

Publication

11/16/1983

Progress at the INPI

Under appeal
  1. Filing04/20/82
  2. Publication11/16/83
  3. Examination02/12/86
  4. Refused08/01/89
  5. Grant
  6. In force

The application was refused by the INPI on 08/01/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. S. (pessoa física)

FR

Inventors

J. B. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

82 04960 · 03/24/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/01/1989

RPI 980

Conhecimento de parecer técnico

#7.1

05/31/1988

RPI 919

Solicitação de exame técnico

#4.1

02/12/1986

RPI 799

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

06/08/1982

RPI 607

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