STRUCTURALSTEEL MATERIAL AND STRUCTURE
This Laos Patent “STRUCTURALSTEEL MATERIAL AND STRUCTURE” is a public DIP intellectual-property record, filed by JFE STEEL CORPORATION on 2018-06-07; current status: Registered. Identifiers include application No. P/696; DIP id LAP696; protection kind Patent - PCT National Phase. Key dates: publication 2022-09-09; grant 2022-09-09; expiry reference 2038-06-07. Classification: C22C 38/00、C22C 38/60、C23C 26/00、C23C 28/00. Inventor(s)/designer(s): HASE Kazukuni, MIURA, Shinichi, MURASE Masatsugu, SAMUSAWA Itaru, SHIOTANI Kazuhiko. Abstract hint: he purpose of the present invention is to provide a structural steel material: with which it is possible to reduce painting frequency even…. Status labels may change after office actions; refresh or consult primary DIP data before commercial decisions.
P/696
Mark
Key facts
- Type
- Patent
- App. no.
P/696- Status
- Registered
- Applicant
- JFE STEEL CORPORATION
- Agent
- ACTIP IP LIMITED [ACTIP]
- Filing date
- 2018-06-07
- Reg. no.
P/696- Publication
- 2022-09-09
- Registration / grant
- 2022-09-09
- Expiry
- 2038-06-07
- Protection kind
- Patent - PCT National Phase
- Gazette
- 171 · 2022-09-09
- Priority
- JP · 2017-129502 · 2017-06-30
- Applicant address
- JFE STEEL CORPORATION · 2-3, Uchisawai-cho 2-chome, Chiyoda-ku, Tokyo 1000011, JAPAN · JP
- Agent address
- ACTIP IP LIMITED [ACTIP] · Sisavath Village, Chanthabouly District, Vientiane, Lao PDR · LA
- Nice / IPC classes
- C22C 38/00 · C22C 38/60 · C23C 26/00 · C23C 28/00
- Goods / services
- —
Process
Steps follow the current public status-
Filed
-
Formal examination
-
Substantive examination
-
Published
-
Granted
Related records
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Abstract
he purpose of the present invention is to provide a structural steel material: with which it is possible to reduce painting frequency even when used in an atmospheric corrosive environment, especially when used in a severe corrosive environment in which there is a large amount of airborne salt, such as at sea, in the vicinity of a coast, etc.; and that exhibits good primary rust resistance, superior paint corrosion resistance, and superior lamellar tear resistance when being employed in a large complex structure such as a bridge. The structural steel material of the present invention has a predetermined composition and has a degree of Sn segregation that is set to 20 or less.
he purpose of the present invention is to provide a structural steel material: with which it is possible to reduce painting frequency even when used in an atmospheric corrosive environment, especially when used in a severe corrosive environment in which there is a large amount of airborne salt, such as at sea, in the vicinity of a coast, etc.; and that exhibits good primary rust resistance, superior paint corrosion resistance, and superior lamellar tear resistance when being employed in a large complex structure such as a bridge. The structural steel material of the present invention has a predetermined composition and has a degree of Sn segregation that is set to 20 or less.
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