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Official data from INPI

PROCESSO PARA PREPARACAO DE UM CONCENTRADO DE ENZIMA DE ISOMERASE DE GLICOSE;PROCESSO PARA PURIFICACAO DE UMA ENZIMA DE ISOMERASE DE GLICOSE;E CONCENTRADO DE ENZIMA

ConcedidaInvention Patent

Application data

Number

PI7701676

Type

Invention Patent

Filing

03/19/1976

Publication

-

Progress at the INPI

  1. Filing03/19/76
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant02/22/83
  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: 02/22/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CPC INTERNATIONAL INC

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Inventors

C. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

02/16/1982

RPI 591

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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