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Official data from INPI

COMPOSICAO POLIMERIZAVEL,PROCESSO PARA PREPARAR UM MONOMERO,E PROCESSO PARA SELAR OU VEDAR SUPERFICIES

ConcedidaInvention Patent

Application data

Number

PI7601482

Type

Invention Patent

Filing

03/12/1975

Publication

-

Progress at the INPI

  1. Filing03/12/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant08/31/82
  6. Expired08/03/93

The letters patent expired on 08/03/1993: 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: 08/31/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LOCTITE CORP

Inventors

B. L. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/31/1982

RPI 619

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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