PATENT CLAIM ANALYSIS

Application Number: 16130092
Application Type: Utility
Filing Date: 2018-09
Publication Date: 2019-02
Patent Classification: ["252", "500000"]

Abstract:
In a method of preparing a liquid solution by mixing ingredients according to a predetermined recipe, wherein at least one pair of species of the liquid solution is derived from a weak electrolyte and corresponds to an acid-base pair, the conductivity of the liquid solution is predicted by: (i) for each pair of species derived from a weak electrolyte, solving a respective equilibrium equation to calculate the actual molar concentration of each such species at equilibrium in the liquid solution, (ii) calculating for each ionic species of said plurality of species the molar conductivity by the formula:   Λ=Λ 0 −K ×Sqrt( c ) wherein Λ is the molar conductivity, Λ 0  is the molar conductivity at infinite dilution, c is the concentration, and K is the Kohlrausch coefficient, and wherein K and Λ 0  are predetermined values for K and Λ 0  for each ionic species, (iii) calculating the conductivity κ for each ionic species by the formula: κ= c×Λ and (iv) adding up the conductivities determined in step (iii) for the different ionic species to obtain a predicted conductivity of the liquid solution. A computer program product comprises instructions for causing a computer to perform the method steps.

Claim (Index 8):
A method for predicting the conductivity of a liquid solution containing ingredients according to a predetermined recipe, wherein the liquid buffer solution comprises a plurality of ionic species including at least one pair of weak electrolyte species (WES) that corresponds to an acid-base pair, the method comprising,\n (i) calculating the actual molar concentration of each WES (c\u2032) at equilibrium in the liquid buffer solution by solving Debye-H\u00fcckel equation where the ionic strength of each WES is used as a weighting parameter in the calculation of an average hydrated radius of the WES, (ii) determining Kohlrausch coefficient K of each WES by:\n (1) making a series of standard liquid buffer solutions each comprising a plurality of ionic species, wherein the series of standard liquid buffer solutions have different concentrations and the plurality of the ionic species of the series of standard liquid buffer solutions are identical to the plurality of ionic species of the liquid buffer solution; \n (2) measuring the conductivities of the series of standard liquid buffer solutions; \n (3) calculating the actual molar concentration of each WES (c) at equilibrium in each of the standard liquid buffer solutions by solving Debye-H\u00fcckel equations where the ionic strength of each WES is used as a weighting parameter in the calculation of an average hydrated radius of the WES; \n (4) treating each and every one of WES at equilibrium as one strong electrolyte and assuming the conductivity of each of the standard liquid buffer solution is the sum of conductivities of all ionic species in the standard solution; \n (5) using equations (1) to (3) with the concentrations c obtained from (3) to calculate conductivities of the series of standard liquid buffer solutions; and \n (6) fitting the calculated conductivities of the standard liquid solutions with respective conductivity of the standard liquid solutions measured in (2) to obtain Kohlrausch coefficient K of each WES,\n \u039b=\u03ba/ c \u2003\u2003(Eq. 1) \n \u039b=\u039b 0 \u2212K \u00d7Sqrt( c )\u2003\u2003(Eq. 2) \n \u039b 0 =\u03a3 i \u03bd i \u03bb i \u2003\u2003(Eq. 3) \n \n where \u039b is molar conductivity of each ionic species, \n \u039b 0  is predetermined molar conductivity at infinite dilution of each ionic species, \n c is actual molar concentration of the ionic species, \n K is Kohlrausch coefficient, \n \u03ba is conductivity for each ionic species, \n \u03bd i  is the number of ionic species i in the formula unit of the electrolyte and \u03bb i  is the molar ionic conductivities of the ionic species i, \n (iii) treating each and every one of WES at equilibrium as one strong electrolyte and calculating for each ionic species of said plurality of species the molar conductivity by the formula:\n \u039b=\u039b 0 - K \u00d7Sqrt( c \u2032) \n (iv) calculating the conductivity K for each ionic species by the formula:\n \u03ba= c\u2032\u00d7\u039b \n wherein c\u2032 and A are as defined above, and\n (v) adding up the conductivities determined in step (iv) for the different ionic species to obtain the predicted conductivity of the liquid buffer solution, \n wherein one or more of the calculation steps are computer-implemented.

Metadata:
- Claim Count in Document: 50.0
- Percentile: 97.0
- Lexical Diversity: 2.48889
- Patent Class: 252.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15022501', '15066429', '13497896', '12988553', '15508426']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8000255617127255
- 35 USC 102 Novelty (BERT): 0.4798430524263762
- Combined Prediction Score: 0.7680073107840907
- Mean Citation Score: 206.610654
- Max Citation Score: 230.65335
- Similarity Product: 184.1158791043192

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

Dataset: test