PATENT CLAIM ANALYSIS

Application Number: 15909653
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-07
Patent Classification: ["548", "400000"]

Abstract:
Disclosed are a variety of amphoteric ester sulfonates, including 3-(N, N-dimethyl-cocoylpropylammonio-1-yl)-2-hydroxypropanesulfonate. These amphoteric ester sulfonates can be advantageously prepared in high yield and purity by a two-step chemoenzymatic process, and have excellent surfactant properties.

Claim (Index 1):
A compound having the formula 1: wherein\n R is C 3 -C 23  hydrocarbyl; \n R 1  is C 3 -C 8  hydrocarbyl; \n R 2  and R 3  are each independently selected from the group consisting of C 1 -C 6  alkyl, C 1 -C 6  alkenyl, C 1 -C 6  dienyl, C 1 -C 6  trienyl, and C 3 -C 8  cycloalkyl; \n wherein at least two of R 1 , R 2 , and R 3  may be connected with the N +  to form a heterocyclic ring; and \n R 4  is C 1 -C 8  hydrocarbyl substituted with a hydroxyl group.

Metadata:
- Claim Count in Document: 7.0
- Percentile: 90.0
- Lexical Diversity: 1.22857
- Patent Class: 548.0
- Transitional Phrase Type: closed
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14518505', '14518517', '15283739', '14844072', '11911490']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8010426185257106
- 35 USC 102 Novelty (BERT): 0.5351163803814661
- Combined Prediction Score: 0.7744499947112862
- Mean Citation Score: 279.826654
- Max Citation Score: 384.51672
- Similarity Product: 293.6150848817825

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

Dataset: test