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Official data from INPI

PROCESSO PARA PREPARAR ZEÓLITOS DE BAIXA ACIDEZ, CONTENDO METAL ALCALINO.

Em AnáliseInvention Patent

Application data

Number

PI8005619

Type

Invention Patent

Filing

09/03/1980

Publication

05/04/1982

Progress at the INPI

Technical opinion to answer
  1. Filing09/03/80
  2. Publication05/04/82
  3. Examination05/22/84
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 10/06/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

M. J. (pessoa física)

N. Y. (pessoa física)

S. D. (pessoa física)

Technical data

Priority claims

US

151.018 · 05/19/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

10/06/1987

RPI 885

Conhecimento de parecer técnico

#7.1

09/01/1987

RPI 880

Republicação - classificação IPC

#15.11

04/30/1985

RPI 758

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

05/22/1984

RPI 709

Publicação do pedido de patente

#3.1

05/04/1982

RPI 602

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