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Official data from INPI

COMPOSIÇÃO TENSO-ATIVA LÍQUIDA, ESTÁVEL E AUTODISPERSÍVEL EM ÁGUA.

ConcedidaInvention Patent

Application data

Number

PI7905762

Type

Invention Patent

Filing

09/13/1978

Publication

-

Progress at the INPI

  1. Filing09/13/78
  2. Publication
  3. Examination06/08/82
  4. Allowance11/16/88
  5. Grant07/25/89
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ceca S.A

FR

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Inventors

B. C. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

78/26355 · 09/13/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

03/07/1989

RPI 959

Deferimento

#9.1

11/16/1988

RPI 943

Exigência - art. 36 da LPI

#6.1

05/10/1988

RPI 916

Republicação - classificação IPC

#15.11

05/02/1984

RPI 706

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Conhecimento de parecer técnico

#7.1

09/27/1983

RPI 675

Solicitação de exame técnico

#4.1

06/08/1982

RPI 607

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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