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Official data from INPI

PROCESSO DE REGENERACAO DOS CATALISADORES DE RECONVERSAO QUIMICA UTILIZADOS EM UM PROCESSO CICLICO DE FABRICACAO DE PEROXIDO DE HIDROGENIO E APARELHO PARA A PRATICA DO PROCESSO

ConcedidaInvention Patent

Application data

Number

PI8005475

Type

Invention Patent

Filing

09/06/1979

Publication

-

Progress at the INPI

  1. Filing09/06/79
  2. Publication
  3. Examination06/22/82
  4. Allowance12/04/84
  5. Grant05/28/85
  6. Terminated02/04/92

The patent was granted on 05/28/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OXYSYNTHESE

Inventors

T. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

04/09/1985

RPI 755

Deferimento

#9.1

12/04/1984

RPI 737

Republicação - classificação IPC

#15.11

08/07/1984

RPI 720

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

06/22/1982

RPI 609

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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