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Official data from INPI

PROCESSO CONTÍNUO PARA FABRICAÇÃO DO ÁLCOOL USANDO FERMENTO.

Em AnáliseInvention Patent

Application data

Number

PI8103338

Type

Invention Patent

Filing

05/28/1981

Publication

02/16/1982

Progress at the INPI

  1. Filing05/28/81
  2. Publication02/16/82
  3. Examination01/04/83
  4. Allowance02/21/89
  5. Grant12/26/90
  6. Expired10/08/96

The letters patent expired on 10/08/1996: 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. C. (pessoa física)

JP

Kansai Paint Co., Ltd

JP

See this company's full portfolio

Inventors

E. A. (pessoa física)

JP

K. W. (pessoa física)

JP

T. Y. (pessoa física)

JP

T. S. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

70943/1980 · 05/28/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

07/18/1989

RPI 978

Deferimento

#9.1

02/21/1989

RPI 957

Exigência - art. 36 da LPI

#6.1

10/04/1988

RPI 937

6.2

03/26/1985

RPI 753

Pedido de certificado de adição de invenção

#5.1

06/21/1983

RPI 661

Solicitação de exame técnico

#4.1

01/04/1983

RPI 637

Publicação do pedido de patente

#3.1

02/16/1982

RPI 591

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

Concessão da patente

#16.1

12/26/1990

RPI 1047

110

10/02/1990

RPI 1035

120

03/01/1990

RPI 1007

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