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Official data from INPI

ALQUILFENOL SULFURIZADO SUPER-BASIFICADO DE METAL DO GRUPO II, SOLÚVEL EM ÓLEO, E COMPOSIÇÃO E CONCENTRADO DE ÓLEO LUBRIFICANTE

PublicadaInvention Patent

Application data

Number

PI8704053

Type

Invention Patent

Filing

08/07/1987

Publication

04/05/1988

Progress at the INPI

  1. Filing08/07/87
  2. Publication04/05/88
  3. Abandoned11/27/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Chevron Research Company

US

See this company's full portfolio

Inventors

T. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

894,599 · 08/08/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/05/1988

RPI 911

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C10M 159/22; C10M 159/24; C07C 148/02; C10N 30/04.

03/27/2018

RPI 2464

Republicação - classificação IPC

#15.11

02/18/1997

RPI 1368

Arquivamento - Art. 36 §1° da LPI

#11.2

08/06/1996

RPI 1340

Exigência - art. 36 da LPI

#6.1

10/31/1995

RPI 1300

Exigência - art. 36 da LPI

#6.1

09/20/1994

RPI 1242

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

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