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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE COMPLEXOS DE CARBOXILATO ALCOXILADO ANFÓTERO E COMPOSIÇÕES DETERGENTES CONTENDO OS MESMOS

Em AnáliseInvention Patent
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Application data

Number

PI8203771

Type

Invention Patent

Filing

06/28/1982

Publication

06/21/1983
View on INPI

Progress at the INPI

  1. Filing06/28/82
  2. Publication06/21/83
  3. Examination08/20/85
  4. Allowance07/25/89
  5. Grant02/06/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

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Inventors

J. G. (pessoa física)

US

R. V. (pessoa física)

US

Technical data

IPC Classification

C11D 1/88

Priority claims

US

278.284 · 06/29/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/21/1989

RPI 996

Deferimento

#9.1

07/25/1989

RPI 979

Exigência - art. 36 da LPI

#6.1

12/06/1988

RPI 946

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

08/20/1985

RPI 774

Publicação do pedido de patente

#3.1

06/21/1983

RPI 661

Pedido de patente depositado

#2.1

08/10/1982

RPI 616

Carta-patente expirada

#21.1

Patente extinta em 28/06/97

07/01/2008

RPI 1956

Concessão da patente

#16.1

02/06/1990

RPI 1005

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