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Official data from INPI

COMPOSIÇÃO MONOCOMPONENTE ESTABILIZADA POR UM DIORGANOPOLISILOXANO PORTADOR DE GRUPO ISOCIANATO

PublicadaInvention Patent

Application data

Number

PI8702290

Type

Invention Patent

Filing

04/28/1987

Publication

02/17/1988

Progress at the INPI

  1. Filing04/28/87
  2. Publication02/17/88
  3. Examination09/25/90
  4. Allowance06/22/93
  5. Grant04/26/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

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. G. (pessoa física)

FR

M. L. (pessoa física)

FR

P. P. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86/06367 · 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

Carta-patente expirada

#21.1

Patente extinta em 28/04/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

04/26/1994

RPI 1221

Notificação para pagamento de retribuição

#13.1

11/09/1993

RPI 1197

Deferimento

#9.1

06/22/1993

RPI 1177

Exigência - art. 36 da LPI

#6.1

10/08/1991

RPI 1088

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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