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This Laos Patent “STEELMAKING SLAG FOR USE AS FERTILIZER STARTING MATERIAL, METHOD FOR PRODUCING STEELMAKING SLAG FOR USE AS FERTILIZER STARTING MATERIAL, METHOD FOR PRODUCING FERTILIZER, AND FERTILIZATION METHOD” is a public DIP intellectual-property record, filed by NIPPON STEEL & SUMITOMO METAL CORPORATION on 2018-06-28; current status: Abandoned. Identifiers include application No. P/650; DIP id LAP650; protection kind Patent - PCT National Phase. Key dates: publication 2025-12-12. Classification: C05D 3/04、C05D 9/02、C21C 1/02、C21C 5/28. Inventor(s)/designer(s): ITO, Kimio. Abstract hint: There is provided steelmaking slag for fertilizer raw material, containing, in masso%, P2O5: more than or equal to 2%o and less than or equ…. Unique application identifiers, holders and classification text are surfaced here to reduce near-duplicate IP landing pages; always verify against the competent office.
P/650
Mark
Key facts
- Type
- Patent
- App. no.
P/650- Status
- Abandoned
- Applicant
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Agent
- Lao Trademark Agency (LAO IP AGENCY)
- Filing date
- 2018-06-28
- Publication
- 2025-12-12
- Protection kind
- Patent - PCT National Phase
- Applicant address
- NIPPON STEEL & SUMITOMO METAL CORPORATION · 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071 · JP
- Agent address
- Lao Trademark Agency (LAO IP AGENCY) · LLC Bldg, Nongbone Road, Ban Nongbong,Saysettha District, P.O.Box 925, Vientiane, LAO P.D.R. Tel: +(856 21) 264866, 264 877; Fax: +(856 21) 264344 E-mail: laotrmar@laotel.com; ksayavon@laotel.com Website: www.laoip.org · LA
- Nice / IPC classes
- C05D 3/04 · C05D 9/02 · C21C 1/02 · C21C 5/28
- Goods / services
- —
Process
Steps follow the current public status-
Filed
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Formal examination Refused / terminated
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Substantive examination
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Published
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Granted
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Abstract
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There is provided steelmaking slag for fertilizer raw material, containing, in masso%, P2O5: more than or equal to 2%o and less than or equal to 8oZ, Mno: more than or equal Io 3Yo alrld less than or equal to 10%o, boron: more than or equal to 0.005% and less than 0.05%, the total iron: more than or equal to 15%o and less than or equal to 30%o, CaO: more than or equal to 29Yo and less than 38%, SiO2: more than or equal lo 16%o and less than 22Yo, su.lfur; more than or equal to 0. 1% and less than or equal to 0.6Yo, MgO: more than or equal to 4%o artd less than or equal to 8o%, and AlzO:: more than or equal to 0.5o/o and less than or equal to 3ol0. A ratio of soluble PzOs in the P2O5 is more than or equal to 50Yo, a ratio of citric acid-soluble MnO in the MnO is more than or eqw to 80%o, a slag basicity expressed by (a CaO content/a SiO2 content) is more than 1.5 and less than or equal to 2.2, and a bulk specific gravity is more than or equal to 2.3 and less than or equal to 3.2.
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