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Official data from INPI

COMPOSIÇÃO DE POLICLORETO DE VINILA

ConcedidaInvention Patent
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Application data

Number

PI7804572

Type

Invention Patent

Filing

07/11/1978

Publication

-
View on INPI

Progress at the INPI

  1. Filing07/11/78
  2. Publication
  3. Examination
  4. Allowance07/14/87
  5. Grant12/29/87
  6. Terminated09/18/90

The patent was granted on 12/29/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Industrial Research Laboratories

CN

Inventors

H. T. (pessoa física)

CN

P. C. (pessoa física)

CN

W. H. (pessoa física)

CN

Technical data

IPC Classification

C08K 5/01C08L 1/00C08L 21/00C08L 27/06C08L 33/00C08L 33/02C08L 67/00C08L 7/00C08L 77/00

Priority claims

JP

84307-77 · 07/15/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Exigência - art. 36 da LPI

#6.1

12/21/1982

RPI 635

6.2

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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