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Official data from INPI

PROCESSO PARA REMOVER CONTAMINADOR METALICO DE CORRENTE LIQUIDA DE RESIDUO CONTENDO UM OU MAIS HIDROCARBONETO CLORADO

ArquivadaInvention Patent

Application data

Number

PI8302409

Type

Invention Patent

Filing

05/14/1982

Publication

01/10/1984

Progress at the INPI

  1. Filing05/14/82
  2. Publication01/10/84
  3. Abandoned10/01/85
  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.

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Latest action published by the INPI: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAUFFER CHEMICAL CO [US]

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Inventors

B. J. (pessoa física)

C. G. (pessoa física)

D. P. (pessoa física)

V. S. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/22/1989

RPI 983

Republicação - classificação IPC

#15.11

05/02/1989

RPI 967

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação do pedido de patente

#3.1

01/10/1984

RPI 690

Pedido de patente depositado

#2.1

06/28/1983

RPI 662

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