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Official data from INPI

METODO PARA AUMENTAR O ACUCAR RECUPERAVEL CONTIDO NA CANA - DE ACUCAR

Em AnáliseInvention Patent

Application data

Number

PI8300460

Type

Invention Patent

Filing

04/05/1982

Publication

12/13/1983

Progress at the INPI

Technical opinion to answer
  1. Filing04/05/82
  2. Publication12/13/83
  3. Examination12/24/85
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

VELSICOL CHEMICAL CORP [US]

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Inventors

N. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

09/27/1988

RPI 936

Solicitação de exame técnico

#4.1

12/24/1985

RPI 792

Publicação do pedido de patente

#3.1

12/13/1983

RPI 686

Pedido de patente depositado

#2.1

03/15/1983

RPI 647

Retificação

#15.3

01/22/1991

RPI 1051

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