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Official data from INPI

PROCESSO APERFEIÇOADO PARA HIDRÓLISE DE BIOMASSA, PROCESSO DE HIDRÓLISE-FERMENTAÇÃO E PROCESSO PARA TRATAR UM HIDROLISADO AQUOSO ÁCIDO

Em AnáliseInvention Patent

Application data

Number

PI8206739

Type

Invention Patent

Filing

11/22/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/22/82
  2. Publication10/04/83
  3. Examination12/31/85
  4. Allowance02/19/91
  5. Grant11/26/91
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Regents of the University of California

US

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Inventors

D. B. (pessoa física)

US

Technical data

Priority claims

US

324.032 · 11/23/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/31/1985

RPI 793

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/11/1983

RPI 638

Carta-patente expirada

#21.1

Patente extinta em 22/11/97

07/01/2008

RPI 1956

Concessão da patente

#16.1

11/26/1991

RPI 1095

Retificação

#15.6

09/10/1991

RPI 1084

Retificação

#15.3

07/02/1991

RPI 1074

Deferimento

#9.1

02/19/1991

RPI 1055

Exigência - art. 36 da LPI

#6.1

09/25/1990

RPI 1034

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