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Official data from INPI

PROCESSO PARA SEPARACAO CROMATOGRAFICA EM GRANDE ESCALA

ConcedidaInvention Patent

Application data

Number

PI7600042

Type

Invention Patent

Filing

02/14/1975

Publication

-

Progress at the INPI

  1. Filing02/14/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 02/24/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SUOMEN SOKERI OY

Inventors

H. L. (pessoa física)

M. A. (pessoa física)

R. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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