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Official data from INPI

MÉTODO DE PURIFICAÇÃO DE CLORETO DE 3-CLORO-2-HIDROXIPROPIL TRIALQUILAMÔNIO

ArquivadaInvention PatentPCT · US1986001500

Application data

Number

PI8607185

Type

Invention Patent

Filing

07/21/1986

Publication

09/13/1988

PCT

US1986001500

Progress at the INPI

  1. Filing07/21/86
  2. Publication09/13/88
  3. Examination03/20/90
  4. Allowance06/22/93
  5. Abandoned
  6. In force

The application was allowed on 06/22/1993 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

E. T. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

09/13/1988

RPI 934

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C07C 89/04.

03/20/2018

RPI 2463

Arquivamento - Art. 38 §2° da LPI

#11.4

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

11/09/1993

RPI 1197

Deferimento

#9.1

06/22/1993

RPI 1177

Solicitação de exame técnico

#4.1

03/20/1990

RPI 1010

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