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Official data from INPI

Processo de anti-redeposição e composição ou banho de anti-redeposição de lavagem a seco ou de desengorduramento.

Em AnáliseInvention Patent

Application data

Number

PI7808755

Type

Invention Patent

Filing

10/31/1978

Publication

-

Progress at the INPI

  1. Filing10/31/78
  2. Publication
  3. Examination05/04/82
  4. Allowance12/11/84
  5. Grant05/28/85
  6. Terminated07/12/88

The patent was granted on 05/28/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

See this company's full portfolio

Inventors

P. M. (pessoa física)

R. C. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

78 29633 · 10/18/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

04/09/1985

RPI 755

Deferimento

#9.1

12/11/1984

RPI 738

14.1

04/10/1984

RPI 703

Exigência - art. 36 da LPI

#6.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

05/04/1982

RPI 602

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