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Official data from INPI

Polimorfo de faujasita com alto teor de sílica.

ArquivadaInvention Patent

Application data

Number

PI8103802

Type

Invention Patent

Filing

06/16/1981

Publication

08/24/1982

Progress at the INPI

  1. Filing06/16/81
  2. Publication08/24/82
  3. Abandoned09/04/84
  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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

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Inventors

B. G. (pessoa física)

V. W. (pessoa física)

Technical data

Priority claims

US

201.260 · 10/27/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

03/04/1987

RPI 854

Exigência - art. 36 da LPI

#6.1

10/08/1985

RPI 781

Pedido de certificado de adição de invenção

#5.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

09/04/1984

RPI 724

Publicação do pedido de patente

#3.1

08/24/1982

RPI 618

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 33/28; C01B 39/20; C01B 39/52; C10G 11/00; C10G 35/095; C10G 47/16.

03/20/2018

RPI 2463

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