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Official data from INPI

PROCESSO EW COMPOSIÇÃO PARA AUMENTAR O REWNDIMENTO DE SACAROSE DE CANA DE AÇUCAR.

IndeferidaInvention Patent

Application data

Number

PI8103446

Type

Invention Patent

Filing

06/01/1981

Publication

02/24/1982

Progress at the INPI

Under appeal
  1. Filing06/01/81
  2. Publication02/24/82
  3. Examination03/20/84
  4. Refused05/31/88
  5. Grant
  6. In force

The application was refused by the INPI on 05/31/1988. The invention was never patented.

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

American Cyanamid Company

US

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Inventors

O. P. (pessoa física)

T. A. (pessoa física)

Technical data

Priority claims

US

155900 · 06/02/1980

US

255937 · 04/20/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

05/31/1988

RPI 919

Solicitação de exame técnico

#4.1

03/20/1984

RPI 700

Publicação do pedido de patente

#3.1

02/24/1982

RPI 592

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