PH17781A - Purification of phosphoric acid - Google Patents

Purification of phosphoric acid

Info

Publication number: PH17781A
Authority: PH; Philippines
Prior art keywords: purification; phosphoric acid; phosphoric; acid
Prior art date: 1973-04-23

Application number

PH21448A

Inventor

Thomas Alan Williams

Frank Michael Cussons

Original Assignee

Albright & Wilson

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.)

1973-04-23

Filing date

1978-07-31

Publication date

1984-12-11

1973-04-23 Priority claimed from US353850A external-priority patent/US3912803A/en

1978-07-31 Application filed by Albright & Wilson filed Critical Albright & Wilson

1984-12-11 Publication of PH17781A publication Critical patent/PH17781A/en

Links

PH21448A 1973-04-23 1978-07-31 Purification of phosphoric acid PH17781A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US353850A US3912803A (en)	1972-10-02	1973-04-23	Purification of phosphoric acid

Publications (1)

Publication Number	Publication Date
PH17781A true PH17781A (en)	1984-12-11

Family

ID=23390841

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PH21448A PH17781A (en)	1973-04-23	1978-07-31	Purification of phosphoric acid

Country Status (1)

Country	Link
PH (1)	PH17781A (en)

1978
- 1978-07-31 PH PH21448A patent/PH17781A/en unknown

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Legal Events

Date	Code	Title	Description
1996-10-17	AT	Record of annual fee payments	Year of fee payment: 12