PATENT CLAIM ANALYSIS

Application Number: 16415464
Application Type: Utility
Filing Date: 2019-05
Publication Date: 2019-10
Patent Classification: ["051", "298000"]

Abstract:
A chemical mechanical polishing pad is provided containing a polishing layer having a polishing surface, wherein the polishing layer comprises a reaction product of ingredients, including: an isocyanate terminated urethane prepolymer; and, a curative system, containing a high molecular weight polyol curative; and, a difunctional curative.

Claim (Index 1):
A chemical mechanical polishing pad, comprising:\n a polishing layer having a polishing surface, wherein the polishing layer comprises a reaction product of ingredients, comprising:\n an isocyanate terminated urethane prepolymer having 8.75 to 9.25 wt % unreacted NCO groups; and, \n a curative system consisting essentially of:\n 10 to 60 wt % of a high molecular weight polyol curative, wherein the high molecular weight polyol curative has a number average molecular weight, M N , of 7,500 to 12,000; and wherein the high molecular weight polyol curative has an average of 5 to 7 hydroxyl groups per molecule; and, \n 40 to 90 wt % of a difunctional curative wherein the polishing layer exhibits a density of greater than 0.6 g/cm 3 ; a Shore D hardness of 40 to 60; an elongation to break of 125 to 300%; a G 30/90 ratio of 1.5 to 4; a tensile modulus of 100 to 300 (MPa); a wet cut rate of 4 to 10 \u03bcm/min; and, a 300 mm TEOS removal rate to Shore D hardness ratio (TEOS 300-RR /Shore D hardness) of \u226528.

Metadata:
- Claim Count in Document: 9.0
- Percentile: 100.0
- Lexical Diversity: 1.48649
- Patent Class: 51.0
- Transitional Phrase Type: half
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14228744', '14228660', '13666514', '13906715', '14062060']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8292610257403202
- 35 USC 102 Novelty (BERT): 0.5451454573266354
- Combined Prediction Score: 0.8008494688989518
- Mean Citation Score: 396.595952
- Max Citation Score: 404.36514
- Similarity Product: 323.45102284130576

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