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Official data from INPI

PROCESSO PARA FABRICACAO DE XILOSE POR HIDROLISE ENZIMATICA DE XILANOS

Em AnáliseInvention Patent

Application data

Number

PI7706467

Type

Invention Patent

Filing

09/29/1976

Publication

-

Progress at the INPI

  1. Filing09/29/76
  2. Publication
  3. Examination
  4. Allowance04/12/83
  5. Grant09/27/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. V. (pessoa física)

Inventors

D. H. (pessoa física)

P. J. (pessoa física)

S. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

06/21/1988

RPI 922

Pedido de licença compulsória

#20.1

02/09/1988

RPI 903

Pedido de licença compulsória

#20.1

01/08/1985

RPI 742

20.4

01/02/1985

RPI 741

20.4

12/26/1984

RPI 740

20.7

12/18/1984

RPI 739

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/12/1983

RPI 651

Exigência - art. 36 da LPI

#6.1

02/02/1982

RPI 589

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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