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Official data from INPI

SÍLICA DE PRECIPITAÇÃO, PROCESSO PARA SUA PREPARAÇÃO, UTILIZAÇÃO DA SÍLICA OBTIDA, COMPOSIÇÃO ORGANOPOLISSILOXANA, COMPOSIÇÃO SILOXÂNICA VULCANIZÁVEL A QUENTE VULCANIZATO OBTIDO

PublicadaInvention Patent

Application data

Number

PI8901108

Type

Invention Patent

Filing

03/03/1989

Publication

10/31/1989

Progress at the INPI

  1. Filing03/03/89
  2. Publication10/31/89
  3. Abandoned12/17/91
  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.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia S/A

SP, BR

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Inventors

F. J. (pessoa física)

P. J. (pessoa física)

R. L. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

88/02.985 · 03/03/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/31/1989

RPI 993

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Arquivamento - Art. 36 §1° da LPI

#11.2

08/01/1995

RPI 1287

Exigência - art. 36 da LPI

#6.1

10/11/1994

RPI 1245

Solicitação de exame técnico

#4.1

12/17/1991

RPI 1098

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