PATENT CLAIM ANALYSIS

Application Number: 15947893
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-08
Patent Classification: ["148", "230000"]

Abstract:
A disclosure is directed to a method for rapidly nitriding steel, the method including: placing the steel in a furnace having an atmosphere comprising partially dissociated ammonia gas; heating the steel to a highest temperature in a range of 400 to 600° C. while holding a nitriding potential below 15 atm −1/2  during heat-up from 400° C. up to the highest temperature; and holding the steel at the highest temperature while continuing to maintain the nitriding potential below 15 atm −1/2 , where a total time taken for the heating and holding the steel in the range of 400 to 600° C. during the nitriding is 15 hours or less, and where a composition of the steel comprises at least one of the group consisting of Al, Cr, Mo, V, and Ti.

Claim (Index 14):
A nitrided steel having an alloy composition comprising by weight:\n C: from 0.1 to 2.2%; Mn: from 0 to 1.2%; Al: from 0 to 1.5%; Cr: from 0 to 5.5%; Mo: from 0.15 to 1.8%; Si: from 0 to 1.8%; V: from 0 to 1.2%; and Iron and acceptable trace elements: remaining balance; wherein the steel is rapid nitrided in response to:\n being placed in a furnace having an atmosphere comprising partially dissociated ammonia gas; \n being heated to a highest temperature in a range of 400\u00b0 C. to 600\u00b0 C. while holding a nitriding potential below 15 atm \u22121/2  during heat-up from 400\u00b0 C. up to the highest temperature; and \n being held at the highest temperature while continuing to maintain the nitriding potential below 15 atm \u22121/2 ; \n wherein a total time taken for heating and holding the steel in the range of 400\u00b0 C. to 600\u00b0 C. during the nitriding is 15 hours or less.

Metadata:
- Claim Count in Document: 2.0
- Percentile: 91.0
- Lexical Diversity: 2.02857
- Patent Class: 148.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15042196', '14131225', '13702285', '12755263', '11508316']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7685566123895011
- 35 USC 102 Novelty (BERT): 0.5078285084327747
- Combined Prediction Score: 0.7424838019938286
- Mean Citation Score: 198.427618
- Max Citation Score: 202.205
- Similarity Product: 128.65706906527282

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

Dataset: test