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Official data from INPI

SÍLICA COMPATÍVEL COM O ZINCO, PROCESSO PARA A OBTENÇÃO DESTA SÍLICA E COMPOSIÇÃO DENTIFRÍCIA

Prazo de SigiloInvention Patent

Application data

Number

PI8902944

Type

Invention Patent

Filing

06/01/1989

Publication

02/06/1990

Progress at the INPI

  1. Filing06/01/89
  2. Publication02/06/90
  3. Abandoned06/09/92
  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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia S/A

SP, BR

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Inventors

J. P. (pessoa física)

FR

Technical data

Priority claims

FR

88/07279 · 06/01/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/01/1989

RPI 980

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era A61K 7/16.

03/27/2018

RPI 2464

Republicação - classificação IPC

#15.11

02/12/1997

RPI 1367

Arquivamento - Art. 36 §1° da LPI

#11.2

10/31/1995

RPI 1300

Exigência - art. 36 da LPI

#6.1

01/31/1995

RPI 1261

Solicitação de exame técnico

#4.1

06/09/1992

RPI 1123

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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