(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

SÍLICA DE PRECIPITAÇÃO, UTILIZAÇÃO DESTA SÍLICA, COMPOSIÇÃO ORGANOPOLISSILOXANA VULCANIZÁVEL A QUENTE E VULCANIZATO OBTIDO

Prazo de SigiloInvention Patent
Talk to an expert

Application data

Number

PI8902457

Type

Invention Patent

Filing

04/28/1989

Publication

01/16/1990
View on INPI

Progress at the INPI

  1. Filing04/28/89
  2. Publication01/16/90
  3. Abandoned04/07/92
  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.

Talk to a specialist

Latest action published by the INPI: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia S/A

SP, BR

See this company's full portfolio

Inventors

F. J. (pessoa física)

R. L. (pessoa física)

Technical data

IPC Classification

C07F 7/00C08L 83/04

Priority claims

FR

88/05.952 · 04/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/11/1989

RPI 977

Arquivamento - Art. 36 §1° da LPI

#11.2

04/23/1996

RPI 1325

Exigência - art. 36 da LPI

#6.1

08/01/1995

RPI 1287

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

01/16/1990

RPI 1002

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.