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Official data from INPI

COMPOSIÇÃO LÍQUIDA E PROCESSO PARA OBTER COMPOSIÇÃO LIQUIDA CONTENDO SULFONA E SULFÓXIDO ORGÂNICOS

ArquivadaInvention PatentPCT · US1989004561

Application data

Number

PI8907139

Type

Invention Patent

Filing

10/10/1989

Publication

02/13/1991

PCT

US1989004561

Progress at the INPI

  1. Filing10/10/89
  2. Publication02/13/91
  3. Abandoned09/15/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/11/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. C. (pessoa física)

US

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Inventors

M. S. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

269,622 · 11/10/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.31

11/11/1997

RPI 1406

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

15.17

04/26/1994

RPI 1221

15.5

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

09/15/1992

RPI 1137

Notificação de entrada na fase nacional - PCT

#1.3

02/13/1991

RPI 1054

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