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Official data from INPI

PROCESSO PARA A INATIVACAO SELETIVA DE ATIVIDADE ENZIMATICA PROTEOLITICA,EM UMA PREPARACAO DE ENZIMA DE ALFA-AMILASE BACTERIAL

ConcedidaInvention Patent

Application data

Number

PI7705171

Type

Invention Patent

Filing

08/05/1976

Publication

-

Progress at the INPI

  1. Filing08/05/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant01/25/83
  6. Terminated01/21/92

The patent was granted on 01/25/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 01/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CPC INTERNATIONAL INC

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Inventors

H. R. (pessoa física)

L. H. (pessoa física)

N. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

15.0

11/24/1981

RPI 579

Exigência - art. 36 da LPI

#6.1

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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