PATENT CLAIM ANALYSIS

Application Number: 15763997
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-10
Patent Classification: ["423", "432000"]

Abstract:
The invention relates to the use of copolymers obtained by the polymerisation of styrene maleic anhydride, functionalised or not, for producing an aqueous suspension of precipitated calcium carbonate (PCC) by slaking a material containing calcium oxide in water then by carbonation of the milk of lime thus produced.

Claim (Index 2):
The method according to  claim 1 , wherein the copolymer is represented by formula (II): in which: x and y units are arranged in blocks, randomly, alternately or statistically, x and y are non-zero, x+y is less than or equal to 150, R 1  represents H or a sulfonated group, and R 2  represents a heteroatom, optionally substituted by an alkyl chain, an alkenyl chain, a heteroalkyl chain and/or a polyalkoxylated chain.

Metadata:
- Claim Count in Document: 17.0
- Percentile: 90.0
- Lexical Diversity: 1.23256
- Patent Class: 423.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15766715', '15302652', '12998788', '15544968', '15518395']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7866201759093218
- 35 USC 102 Novelty (BERT): 0.4934733172479644
- Combined Prediction Score: 0.757305490043186
- Mean Citation Score: 222.55406800000003
- Max Citation Score: 254.58076
- Similarity Product: 209.52784440801616

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