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Official data from INPI

PROCESSO PARA FABRICAR UMA COMPOSICAO DETERGENTE EM PARTICULAS

Em AnáliseInvention Patent

Application data

Number

PI7803119

Type

Invention Patent

Filing

05/18/1977

Publication

-

Progress at the INPI

  1. Filing05/18/77
  2. Publication
  3. Examination
  4. Allowance03/08/83
  5. Grant09/27/83
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 09/09/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNILEVER NV

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Inventors

C. D. (pessoa física)

D. J. (pessoa física)

T. J. (pessoa física)

W. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

09/09/1986

RPI 829

Concessão da patente

#16.1

09/27/1983

RPI 675

Deferimento

#9.1

03/08/1983

RPI 646

Exigência - art. 36 da LPI

#6.1

07/13/1982

RPI 612

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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