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Official data from INPI

PROCESSO DE CLORAÇÃO SELETIVA DE COMPOSTOS FENÓLICOS.

Em AnáliseInvention Patent

Application data

Number

PI8603221

Type

Invention Patent

Filing

06/27/1986

Publication

02/24/1987

Progress at the INPI

  1. Filing06/27/86
  2. Publication02/24/87
  3. Examination03/28/89
  4. Allowance03/02/93
  5. Grant09/28/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia Brasil LTDA

SP, BR

Rhodia S/A

SP, BR

See this company's full portfolio

Inventors

S. R. (pessoa física)

FR

Technical data

Priority claims

FR

85 10037 · 06/27/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/28/1989

RPI 962

Publicação do pedido de patente

#3.1

02/24/1987

RPI 853

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Carta-patente expirada

#21.1

Patente extinta em 27/06/2001

07/22/2008

RPI 1959

Alteração de nome deferida

#25.4

Alterado de: Rhodia S/A

03/21/2000

RPI 1524

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

06/15/1993

RPI 1176

Deferimento

#9.1

03/02/1993

RPI 1161

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