PATENT CLAIM ANALYSIS

Application Number: 15993317
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-09
Patent Classification: ["525", "071000"]

Abstract:
The invention relates to a method for preparing vinyl chloride graft copolymers by emulsion polymerization and to a method for preparing blends of such graft copolymers. The invention also relates to transparent molded articles prepared by using the graft copolymers according to the invention and their blends, respectively.

Claim (Index 1):
A transparent article formed of a vinyl chloride graft copolymer, the article prepared by a process comprising:\n preparing a graft base by polymerizing monomers, the graft base having a first glass transition temperature; grafting a copolymer phase onto the graft base by emulsion polymerization to obtain a vinyl chloride graft copolymer latex, the grafted copolymer phase having a second glass transition temperature wherein the first glass transition temperature is lower than the second glass transition temperature; and separating the vinyl chloride graft copolymer as a solid from the vinyl chloride graft copolymer latex, wherein the graft base is not cross-linked and the grafted copolymer phase is cross-linked, and the article has a transmittance of at least 65% as measured according to ISO 13468 for a plate having a thickness from 1.35 mm to 1.68 mm, a haze value of less than 60 as measured according to ISO 13468 for a plate having a thickness from 1.35 mm to 1.68 and measured at an angle of 2 degrees to an axis of irradiation, or a combination thereof.

Metadata:
- Claim Count in Document: 13.0
- Percentile: 93.0
- Lexical Diversity: 1.64516
- Patent Class: 525.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15993309', '14767259', '14767260', '14777004', '10735559']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7883533677680833
- 35 USC 102 Novelty (BERT): 0.5639465461444443
- Combined Prediction Score: 0.7659126856057195
- Mean Citation Score: 362.993954
- Max Citation Score: 470.83932
- Similarity Product: 454.2273841859578

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

Dataset: test