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Official data from INPI

PROCESSO PARA ESTABILIZAR MONOLAQUEAMENTOS DE DUAS CAMADAS.

ConcedidaInvention Patent

Application data

Number

PI8000935

Type

Invention Patent

Filing

02/14/1980

Publication

-

Progress at the INPI

  1. Filing02/14/80
  2. Publication
  3. Examination11/30/82
  4. Allowance05/17/88
  5. Grant11/29/88
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy Ag.

CH

Ciba SC Holding AG

CH

Ciba Specialty Chemicals Holding Inc. - Ciba Spezialitätenchemie Holding AG - Ciba Spécialités Chimiques Holding SA

CH

See this company's full portfolio

Inventors

D. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

CH

1484/79 · 02/15/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

11/30/1982

RPI 632

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding AG.

12/07/1999

RPI 1509

Transferência deferida

#25.1

Transferido de: Ciba - Geigy AG.

11/03/1999

RPI 1504

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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