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Official data from INPI

PROCESSO PARA A OBTENCAO DE(TIO)HALOACIL-(TIA)OXAZOLIDINAS ARISUBSTITUIDAS E COMPOSICOES HERBICIDAS SINERGETICAS QUE AS CONTEM

Em AnáliseInvention Patent

Application data

Number

PI7600775

Type

Invention Patent

Filing

02/14/1975

Publication

-

Progress at the INPI

  1. Filing02/14/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant12/29/81
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STAUFFER CHEMICAL CO

See this company's full portfolio

Inventors

T. E. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

10/30/1984

RPI 732

16.3

03/30/1982

RPI 597

Concessão da patente

#16.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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