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Official data from INPI

PROCESSO PARA PRODUÇÃO DE UMA COMPOSIÇÃO DE DETERGENTE ALCALINA MOLDADA SÓLIDA

PublicadaInvention Patent
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Application data

Number

PI8701874

Type

Invention Patent

Filing

04/21/1987

Publication

01/26/1988
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Progress at the INPI

  1. Filing04/21/87
  2. Publication01/26/88
  3. Examination08/14/90
  4. Allowance02/12/97
  5. Grant08/25/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 01/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ecolab Inc

US

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Inventors

J. C. (pessoa física)

US

Technical data

IPC Classification

C11D 11/00C11D 17/06C11D 3/06

Priority claims

US

06/855.111 · 04/23/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/26/1988

RPI 901

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 25/08/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

08/25/1998

RPI 1444

Notificação para pagamento de retribuição

#13.1

05/13/1997

RPI 1380

Deferimento

#9.1

02/12/1997

RPI 1367

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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