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

PROCESSO DE CLORAÇÃO PELO CLORO GASOSO DE COMPOSTOS FENÓLICOS

PublicadaInvention Patent

Application data

Number

PI8703641

Type

Invention Patent

Filing

06/30/1987

Publication

03/22/1988

Progress at the INPI

  1. Filing06/30/87
  2. Publication03/22/88
  3. Examination08/28/90
  4. Allowance07/18/95
  5. Grant04/30/96
  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: 03/22/1988. 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

J. D. (pessoa física)

FR

S. R. (pessoa física)

FR

Technical data

Priority claims

FR

86/09813 · 07/02/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/22/1988

RPI 909

Pedido de patente depositado

#2.1

10/13/1987

RPI 886

Carta-patente expirada

#21.1

Patente extinta em 30/06/2002

07/29/2008

RPI 1960

Alteração de nome deferida

#25.4

Alterado de: Rhodia S/A

05/30/2000

RPI 1534

Concessão da patente

#16.1

04/30/1996

RPI 1326

Notificação para pagamento de retribuição

#13.1

11/28/1995

RPI 1304

Deferimento

#9.1

07/18/1995

RPI 1285

Exigência - art. 36 da LPI

#6.1

10/25/1994

RPI 1247

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

Patent monitoring

Track this patent in real time.

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