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Official data from INPI

COMPOSIÇÕES HERBICIDAS PARA O CONTROLE DE PLANTAS INDESEJÁVEIS, E PROCESSO PARA A PREPARAÇÃO DOS DERIVADOS DE UREIA NELAS APLICÁVEIS

ConcedidaInvention Patent

Application data

Number

PI7705748

Type

Invention Patent

Filing

08/29/1977

Publication

-

Progress at the INPI

  1. Filing08/29/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant01/25/83
  6. In force08/29/97

The patent was granted on 01/25/1983 and is in force until 08/29/1997. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:08/29/1997

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Latest action published by the INPI: 11/01/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

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Inventors

B. C. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

11/01/1983

RPI 680

Concessão da patente

#16.1

01/25/1983

RPI 640

Arquivamento - Art. 33 da LPI

#11.1

06/15/1982

RPI 608

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