PATENT CLAIM ANALYSIS

Application Number: 16088882
Application Type: Utility
Filing Date: 2018-09
Publication Date: 2019-05
Patent Classification: ["428", "683000"]

Abstract:
There is provided a welding structure member excellent in corrosion resistance in an environment where high-concentration sulfuric acid condenses, the welding structure member including base material having a chemical composition containing, in mass percent, C≤0.05%, Si≤1.0%, Mn≤2.0%, P≤0.04%, S≤0.01%, Ni: 12.0 to 27.0%, Cr: 15.0% or more to less than 20.0%, Cu: more than 3 0% to 8.0% or less, Mo: more than 2.0% to 5.0% or less, Nb≤1.0%, Ti≤0.5%, Co≤0.5%, Sn≤0.1%, W≤5.0%, Zr≤1.0%, Al≤0.5%, N<0.05%, Ca≤0.01%, B≤0.01%, and REM≤0.01%, with the balance: Fe and unavoidable impurities, and the welding structure member including including weld metal having a chemical composition containing, in mass percent, C≤0.10%, Si≤0.50%, Mn≤3.5%, P≤0.03%, S≤0.03%, Cu≤0.50%, Ni: 51.0 to 69.0%, Cr: 14.5 to 23.0%, Mo: 6.0 to 17.0%, Al≤0.40%, Ti+Nb+Ta≤4.90%, Co≤2.5%, V≤0.35%, and W≤4.5%, with the balance: Fe and unavoidable impurities.

Claim (Index 1):
A welding structure member including an austenitic stainless steel joint, wherein the welding structure member comprises a base material and a weld metal, wherein,\n the base material comprises has a chemical composition containing, in mass percent:\n C: 0.05% or less; \n Si: 1.0% or less; \n Mn: 2.0% or less; \n P: 0.04% or less; \n S: 0.01% or less; \n Ni: 12.0 to 27.0%; \n Cr: 15.0% or more to less than 20.0%; \n Cu: more than 3.0% to 8.0% or less; \n Mo: more than 2.0% to 5.0% or less; \n Nb: 0 to 1.0%; \n Ti: 0 to 0.5%; \n Co: 0 to 0.5%; \n Sn: 0 to 0.1%; \n W: 0 to 5.0%; \n Zr: 0 to 1.0%; \n Al: 0 to 0.5%; \n N: less than 0.05%; \n Ca: 0 to 0.01%; \n B: 0 to 0.01%; and \n rare earth metal: 0 to 0.01% in total, \n with the balance being Fe and unavoidable impurities, and \n the weld metal comprises has a chemical composition containing, in mass percent: \n C: 0.10% or less; \n Si: 0.50% or less; \n Mn: 3.5% or less; \n P: 0.03% or less; \n S: 0.03% or less; \n Cu: 0.50% or less; \n Ni: 51.0% or more to 69.0% or less; \n Cr: 14.5 to 23.0%; \n Mo: 6.0 to 17.0%; \n Al: 0.40% or less; \n one or more elements selected from Nb, Ta, and Ti: 4.90% or less in total; \n Co: 2.5% or less; \n V: 0.35% or less; and \n W: 4.5% or less, \n with the balance being Fe and unavoidable impurities.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 97.0
- Lexical Diversity: 2.4086
- Patent Class: 428.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['10496191', '11404413', '14360192', '10395475', '10328598']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8889969417407122
- 35 USC 102 Novelty (BERT): 0.4945301495288618
- Combined Prediction Score: 0.8495502625195273
- Mean Citation Score: 214.786502
- Max Citation Score: 225.0238
- Similarity Product: 170.88429652894737

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test