PATENT CLAIM ANALYSIS

Application Number: 15939446
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-10
Patent Classification: ["526", "060000"]

Abstract:
Methods for simultaneously determining the concentrations of transition metal compounds in solutions containing two or more transition metal compounds are described. Polymerization reactor systems providing real-time monitoring and control of the concentrations of the transition metal components of a multicomponent catalyst system are disclosed, as well as methods for operating such polymerization reactor systems.

Claim (Index 20):
A method for determining a first concentration of a first transition metal compound, a second concentration of a second transition metal compound, and a third concentration of a third transition metal compound in a solution comprising the first transition metal compound, the second transition metal compound, and the third transition metal compound, the method comprising:\n providing a first reference absorbance profile (F 1 ) of the first transition metal compound in a first reference solution at a first known concentration, a second reference absorbance profile (F 2 ) of the second transition metal compound in a second reference solution at a second known concentration, and a third reference absorbance profile (F 3 ) of the third transition metal compound in a third reference solution at a third known concentration; (ii) submitting a sample of the solution to a sample chamber; (iii) irradiating the sample in the chamber with a light beam at a wavelength in the UV-visible spectrum; (iv) generating a sample absorbance profile of the sample, and calculating a curve having the formula \u03b2 1 F 1 +\u03b2 2 F 2 +\u03b2 3 F 3  to fit the sample absorbance profile to a least-squares regression fit value (R 2 ) of at least 0.9; wherein: \u03b2 1  is a first weighting coefficient; F 1  is the first reference absorbance profile of the first transition metal compound in the first reference solution at the first known concentration; \u03b2 2  is a second weighting coefficient; F 2  is the second reference absorbance profile of the second transition metal compound in the second reference solution at the second known concentration; \u03b2 3  is a third weighting coefficient; and F 3  is the third reference absorbance profile of the third transition metal compound in the third reference solution at the third known concentration; and (v) multiplying the first known concentration with \u03b2 1  to determine the first concentration of the first transition metal compound in the solution, multiplying the second known concentration with \u03b2 2  to determine the second concentration of the second transition metal compound in the solution, and multiplying the third known concentration with \u03b2 3  to determine the third concentration of the third transition metal compound in the solution.

Metadata:
- Claim Count in Document: 29.0
- Percentile: 90.0
- Lexical Diversity: 1.425
- Patent Class: 526.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15655929', '13625065', '10497249', '10953263', '12373776']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7382196172166445
- 35 USC 102 Novelty (BERT): 0.5470574205304604
- Combined Prediction Score: 0.7191033975480261
- Mean Citation Score: 247.148002
- Max Citation Score: 445.22607
- Similarity Product: 329.4242256157512

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