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Official data from INPI

PROCESSOS PARA A PREPARAÇÃO DE DIORGANOPOLISILOXANA COM GRUPAMENTOS TERMINAIS ALCOXI E COMPOSIÇÕES ELASTÔMERAS POLOSILOXANA ESTÁVEIS NA ARMAZENAGEM

PublicadaInvention Patent

Application data

Number

PI8702289

Type

Invention Patent

Filing

04/22/1987

Publication

02/17/1988

Progress at the INPI

Awaiting grant fee payment
  1. Filing04/22/87
  2. Publication02/17/88
  3. Examination09/25/90
  4. Allowance06/20/95
  5. Grant
  6. In force

The application was allowed by the INPI on 06/20/1995. The grant of the letters patent is being processed.

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Latest action published by the INPI: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia S/A

SP, BR

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Inventors

M. L. (pessoa física)

FR

P. P. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86/06965 · 04/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/17/1988

RPI 904

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Retificação

#15.3

11/14/1995

RPI 1302

Deferimento

#9.1

06/20/1995

RPI 1281

Exigência - art. 36 da LPI

#6.1

09/17/1991

RPI 1085

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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