PATENT CLAIM ANALYSIS

Application Number: 15761502
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-09
Patent Classification: ["429", "465000"]

Abstract:
A carbon separator for a solid polymer fuel cell is provided that includes a core material made of steel, and a carbon layer. The chemical composition of the steel is, by mass %, C: more than 0.02% to 0.12% or less, Si: 0.05 to 1.5%, Al: 0.001 to 1.0%, Mn: 0.01 to 1.0%, P: 0.045% or less, S: 0.01% or less, N: 0.06% or less, V: 0.5% or less, Cr: more than 13.0% to less than 25.0%, Mo: 0 to 2.5%, Ni: 0 to 0.8%, Cu: 0 to 0.8%, REM: 0 to 0.1%, B: 0 to 1.0%, Sn: 0 to 2.5%, In: 0 to 0.1%, and the balance: Fe and impurities. The steel has therein precipitates including M 23 C 6  type Cr carbides that are finely precipitated and dispersed. A part of the precipitates protrude from the steel surface.

Claim (Index 15):
A solid polymer fuel cell stack comprising the solid polymer fuel cell according to  claim 11 .

Metadata:
- Claim Count in Document: 35.0
- Percentile: 90.0
- Lexical Diversity: 2.27586
- Patent Class: 429.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['13080937', '12975608', '11922302', '12806764', '12224429']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8676556948306854
- 35 USC 102 Novelty (BERT): 0.4961091751780406
- Combined Prediction Score: 0.8305010428654209
- Mean Citation Score: 203.794864
- Max Citation Score: 229.00728
- Similarity Product: 147.1004417036533

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

Dataset: test