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Official data from INPI

PROCESSO PARA PRODUCAO DE SOLUCOES AQUOSAS DE DIOXIDO DE CLORO E CLORO

Em AnáliseInvention Patent

Application data

Number

PI7606183

Type

Invention Patent

Filing

09/18/1975

Publication

-

Progress at the INPI

  1. Filing09/18/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant05/25/82
  6. Terminated09/18/90

The patent was granted on 05/25/1982 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: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ERCO IND LTD

Inventors

C. G. (pessoa física)

F. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/15/1988

RPI 908

20.3

10/06/1987

RPI 885

Concessão da patente

#16.1

05/25/1982

RPI 605

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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