BR8804079A - ALUMINUM PHOSPHATE PREPARATION PROCESS - Google Patents

ALUMINUM PHOSPHATE PREPARATION PROCESS

Info

Publication number: BR8804079A
Authority: BR; Brazil
Prior art keywords: preparation process; aluminum phosphate; phosphate preparation; aluminum; preparation
Prior art date: 1988-08-12

Application number

BR8804079A

Other languages

Portuguese (pt)

Inventor

Jose Carlos Duarte Macedo

Original Assignee

Petroleo Brasileiro Sa

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-08-12

Filing date

1988-08-12

Publication date

1990-03-20

1988-08-12 Application filed by Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa

1988-08-12 Priority to BR8804079A priority Critical patent/BR8804079A/en

1990-03-20 Publication of BR8804079A publication Critical patent/BR8804079A/en

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
BR8804079A BR8804079A (en)	1988-08-12	1988-08-12	ALUMINUM PHOSPHATE PREPARATION PROCESS

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BR8804079A BR8804079A (en)	1988-08-12	1988-08-12	ALUMINUM PHOSPHATE PREPARATION PROCESS

Publications (1)

Publication Number	Publication Date
BR8804079A true BR8804079A (en)	1990-03-20

Family

ID=4045354

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8804079A BR8804079A (en)	1988-08-12	1988-08-12	ALUMINUM PHOSPHATE PREPARATION PROCESS

Country Status (1)

Country	Link
BR (1)	BR8804079A (en)

1988
- 1988-08-12 BR BR8804079A patent/BR8804079A/en not_active IP Right Cessation

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Legal Events

Date	Code	Title	Description
1995-02-21	KD	Fees due (letter patent)
1995-06-27	FG	Letter patent granted
2008-09-02	B21A	Extinguishment of a patent or of a certificate of addition of invention: extinguishment - article 78, item i of industrial property law	Free format text: PATENTE EXTINTA EM 12/08/2003