PL4257546T3 - Sposób oczyszczania kwasu fosforowego(V) na potrzeby krystalizacji statycznej do otrzymywania kwasu jakości odpowiedniej dla branży półprzewodników - Google Patents
Sposób oczyszczania kwasu fosforowego(V) na potrzeby krystalizacji statycznej do otrzymywania kwasu jakości odpowiedniej dla branży półprzewodnikówInfo
- Publication number
- PL4257546T3 PL4257546T3 PL22461536.9T PL22461536T PL4257546T3 PL 4257546 T3 PL4257546 T3 PL 4257546T3 PL 22461536 T PL22461536 T PL 22461536T PL 4257546 T3 PL4257546 T3 PL 4257546T3
- Authority
- PL
- Poland
- Prior art keywords
- semiconductor industry
- quality suitable
- phosphoric acid
- static crystallization
- purification phosphoric
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/04—Purification of phosphorus
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/237—Selective elimination of impurities
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/237—Selective elimination of impurities
- C01B25/238—Cationic impurities, e.g. arsenic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL440852A PL440852A1 (pl) | 2022-04-04 | 2022-04-04 | Sposób oczyszczania kwasu fosforowego(V) na potrzeby krystalizacji statycznej do otrzymywania kwasu jakości odpowiedniej dla branży półprzewodników |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL4257546T3 true PL4257546T3 (pl) | 2026-05-04 |
Family
ID=82218380
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL440852A PL440852A1 (pl) | 2022-04-04 | 2022-04-04 | Sposób oczyszczania kwasu fosforowego(V) na potrzeby krystalizacji statycznej do otrzymywania kwasu jakości odpowiedniej dla branży półprzewodników |
| PL22461536.9T PL4257546T3 (pl) | 2022-04-04 | 2022-04-08 | Sposób oczyszczania kwasu fosforowego(V) na potrzeby krystalizacji statycznej do otrzymywania kwasu jakości odpowiedniej dla branży półprzewodników |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL440852A PL440852A1 (pl) | 2022-04-04 | 2022-04-04 | Sposób oczyszczania kwasu fosforowego(V) na potrzeby krystalizacji statycznej do otrzymywania kwasu jakości odpowiedniej dla branży półprzewodników |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4257546B1 (pl) |
| PL (2) | PL440852A1 (pl) |
| RS (1) | RS68024B1 (pl) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4804526A (en) | 1987-10-13 | 1989-02-14 | Fmc Corporation | Process for purifying phosphoric acid for electrical semiconductor use |
| JP4316946B2 (ja) * | 2003-07-01 | 2009-08-19 | 日本化学工業株式会社 | 高純度リン酸及びその製造方法 |
| JP2009114064A (ja) * | 2009-03-05 | 2009-05-28 | Nippon Chem Ind Co Ltd | 高純度リン酸及びその製造方法 |
-
2022
- 2022-04-04 PL PL440852A patent/PL440852A1/pl unknown
- 2022-04-08 PL PL22461536.9T patent/PL4257546T3/pl unknown
- 2022-04-08 RS RS20260374A patent/RS68024B1/sr unknown
- 2022-04-08 EP EP22461536.9A patent/EP4257546B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| PL440852A1 (pl) | 2023-10-09 |
| EP4257546A1 (en) | 2023-10-11 |
| RS68024B1 (sr) | 2026-05-29 |
| EP4257546B1 (en) | 2025-12-31 |
| EP4257546C0 (en) | 2025-12-31 |
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