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Official data from INPI

ENZIMAS DE ALFA-AMILASE ESTAVEIS AO CALOR E AOS ACIDOS,PROCESSO PARA SUA PRODUCAO E PROCESSO PARA A CONVERSAO DE AMIDO EM AMIDO HIDROLISADO PELO TRATAMENTO COM AS DITAS ENZIMAS

ConcedidaInvention Patent

Application data

Number

PI7702475

Type

Invention Patent

Filing

02/02/1977

Publication

-

Progress at the INPI

  1. Filing02/02/77
  2. Publication
  3. Examination
  4. Allowance10/13/87
  5. Grant05/31/88
  6. Expired09/21/93

The letters patent expired on 09/21/1993: 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CPC INTERNATIONAL INC

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Inventors

I. Y. (pessoa física)

K. M. (pessoa física)

T. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Exigência - art. 36 da LPI

#6.1

04/05/1983

RPI 650

Exigência - art. 36 da LPI

#6.1

08/31/1982

RPI 619

6.2

12/29/1981

RPI 584

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

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