PATENT CLAIM ANALYSIS

Application Number: 15744869
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["428", "370000"]

Abstract:
A low chromatic aberration polyester different-shrinkage composite yarn is made of polyester POY yarn and polyester FDY composite yarn. The polyester POY yarn and polyester FDY yarn is obtained by spinning the polyester solution, the rupture strength of the low color polyester different-shrinkage composite yarn is ≥1.9 cN/dtex, the elongation at break is 30.0±5.0%, the crimp shrinkage is 2.50±3.0%, the network degree is 20±5/m, the color difference ΔE is less than 0.200. In the invention, the magnesium ethylene glycol is relatively mild, the thermal degradation coefficient is small, the oligomers in the polymerization process is reduced, and the oligomers in the dissolution process are further reduced, so that the appearance of stains and streaks reduces during the dyeing and post-processing heat setting of the polyester fiber, which ensures the fiber's leveling and rubbing fastness.

Claim (Index 1):
A low chromatic aberration polyester different-shrinkage composite yarn comprising a composite of polyester POY yarn and polyester FDY yarn; wherein the polyester POY yarn and the polyester FDY yarn are obtained by spinning after dissolving the polyester; wherein a breaking strength of the low chromatic aberration polyester different-shrinkage composite yarn is greater than or equal to 1.9 cN/dtex, a breaking elongation is 30.0\u00b15.0% and a curling shrinkage is 2.5\u00b13.0%, a network degree is 20\u00b15/m, a color difference \u0394E is less than 0.200, wherein the polyester is made after an esterification of terephthalic acid and ethylene glycol and a polycondensation under the catalysis of a mixture of magnesium ethylene glycol and antimony ethylene glycol, and finally granulation to obtain polyester chips;\n wherein in a slice of industrial polyester, a content of oligomer by mass is less than 0.5% and a content of diethylene glycol is less than 0.5%; wherein the molecular formula of magnesium ethylene glycol is Mg(OCH 2 CH 2 OH) 2 ; wherein the granulated slices are brewed and washed with water and a rinsing agent at 120-130\u00b0 C. and 0.2-0.3 MPa.

Metadata:
- Claim Count in Document: 14.0
- Percentile: 86.0
- Lexical Diversity: 1.8875
- Patent Class: 428.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15744841', '16322950', '15744867', '16322952', '16322948']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8984126220497912
- 35 USC 102 Novelty (BERT): 0.5538996891698054
- Combined Prediction Score: 0.8639613287617927
- Mean Citation Score: 352.674232
- Max Citation Score: 422.83783
- Similarity Product: 330.23347973849536

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

Dataset: test