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Official data from INPI

"PURIFICAÇÃO DE CORRENTE DE SUBPRODUTO NA PREPARAÇÃO DE POLIÉSTERES BASEADOS EM 1,3 PROPANODIOL".

ArquivadaInvention PatentPCT · EP1996000809

Application data

Number

PI9607389

Type

Invention Patent

Filing

02/26/1996

Publication

11/25/1997

PCT

EP1996000809

Progress at the INPI

  1. Filing02/26/96
  2. Publication11/25/97
  3. Examination
  4. Allowance07/01/03
  5. Abandoned
  6. In force

The application was allowed on 07/01/2003 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: 12/30/2003. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

C. C. (pessoa física)

US

D. K. (pessoa física)

US

Technical data

Priority claims

US

395.231 · 02/27/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

12/30/2003

RPI 1721

Deferimento

#9.1

07/01/2003

RPI 1695

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1997

RPI 1408

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