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Official data from INPI

PROCESSO PARA SINTETIZAR CORPOS CONFORMADOS ZEOLÍTICOS.

Em AnáliseInvention Patent

Application data

Number

PI8004588

Type

Invention Patent

Filing

07/23/1980

Publication

03/23/1982

Progress at the INPI

  1. Filing07/23/80
  2. Publication03/23/82
  3. Examination05/22/84
  4. Refused02/17/87
  5. Grant
  6. In force

The application was refused on 02/17/1987 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Engelhard Minerals & Chemicals Corporation.

Inventors

B. M. (pessoa física)

W. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

02/17/1987

RPI 852

Petição de recurso

#12.2

06/10/1986

RPI 816

Indeferimento

#9.2

02/04/1986

RPI 798

Pedido de certificado de adição de invenção

#5.1

10/16/1984

RPI 730

Solicitação de exame técnico

#4.1

05/22/1984

RPI 709

Publicação do pedido de patente

#3.1

03/23/1982

RPI 596

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 33/26; C01B 33/28.

03/27/2018

RPI 2464

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