(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A PREPARACAO DE TIOFOSFATOS DE O,O-DIALCOIL-S-BENZILA

Arquivada/ExtintaInvention Patent
Talk to an expert

Application data

Number

PI7600240

Type

Invention Patent

Filing

01/17/1975

Publication

-
View on INPI

Progress at the INPI

  1. Filing01/17/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  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: 07/27/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IHARA CHEMICAL IND CO

Inventors

S. Z. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.