PATENT CLAIM ANALYSIS

Application Number: 15936535
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-08
Patent Classification: ["528", "083000"]

Abstract:
The invention relates to a method for producing a biomass-resource-derived polyurethane, which comprises: reacting a dicarboxylic acid and an aliphatic diol to produce a polyester polyol; and reacting the polyester polyol and a polyisocyanate compound, wherein the dicarboxylic acid contains at least one component derived from biomass resources, a content of an organic acid in the dicarboxylic acid is more than 0 ppm and not more than 1,000 ppm relative to the dicarboxylic acid, and a pKa value of the organic acid at 25° C. is not more than 3.7.

Claim (Index 5):
The biomass-resource-derived polyester polyol according to  claim 1 , wherein at least one component of the dicarboxylic acid unit is an aliphatic dicarboxylic acid.

Metadata:
- Claim Count in Document: 20.0
- Percentile: 90.0
- Lexical Diversity: 1.73214
- Patent Class: 528.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15174069', '13871414', '13632992', '15784973', '14560830']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7796569274311795
- 35 USC 102 Novelty (BERT): 0.5371419275360058
- Combined Prediction Score: 0.7554054274416622
- Mean Citation Score: 326.14481400000005
- Max Citation Score: 383.40485
- Similarity Product: 359.61472195092443

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

Dataset: test