PATENT CLAIM ANALYSIS

Application Number: 16135177
Application Type: Utility
Filing Date: 2018-09
Publication Date: 2019-01
Patent Classification: ["523", "433000"]

Abstract:
Pre-impregnated composite material (prepreg) that can be cured/molded to form aerospace composite parts. The prepreg includes carbon reinforcing fibers and an uncured resin matrix. The resin matrix includes an epoxy component that is a combination of a hydrocarbon epoxy novolac resin and a trifunctional epoxy resin and optionally a tetrafunctional epoxy resin. The resin matrix includes polyethersulfone as a toughening agent and a thermoplastic particle component.

Claim (Index 12):
A method for making a pre-impregnated composite material that is curable to form a composite part, said method comprising the steps of:\n A) providing reinforcing fibers comprising carbon fibers; and B) impregnating said reinforcing fibers with an uncured resin matrix wherein said uncured resin matrix comprises:\n a) an epoxy resin component comprising from 17 to 27 weight percent of a hydrocarbon epoxy novolac resin, based on the total weight of said uncured resin matrix, and from 26 to 36 weight percent of triglycidyl meta-aminophenol based on the total weight of said uncured resin matrix; \n b) 11 to 19 weight percent of a thermoplastic particle component based on the total weight of said uncured resin matrix, said thermoplastic particle component comprises a mixture of a first group of polyamide particles that do not comprise crosslinked polyamide and a second group of polyamide particles that comprise crosslinked polyamide; \n c) 7 to 12 weight percent of a thermoplastic toughening agent, based on the total weight of said uncured resin matrix, said thermoplastic toughening agent comprising polyethersulfone; and \n d) 17 to 27 weight percent of a curing agent, based on the total weight of said uncured resin matrix, said curing agent comprising 4,4\u2032-diaminodiphenyl sulphone and/or 3,3\u2032-diaminodiphenyl sulphone.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 97.0
- Lexical Diversity: 1.71429
- Patent Class: 523.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15622585', '15839467', '15189994', '13594819', '12792338']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7884785930426086
- 35 USC 102 Novelty (BERT): 0.6420372175635736
- Combined Prediction Score: 0.7738344554947051
- Mean Citation Score: 518.382292
- Max Citation Score: 640.15894
- Similarity Product: 562.028808655417

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

Dataset: test