PATENT CLAIM ANALYSIS

Application Number: 15772931
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-11
Patent Classification: ["556", "411000"]

Abstract:
To provide: a purification method which uses a polyimide and/or polyamide imide porous membrane that exhibits excellent removal performance for impurities such as metals, and wherein a liquid that is a silylating agent liquid, a film forming material or a diffusing agent composition is an object to be purified; a purification method for purifying a silicon compound-containing liquid that contains a silicon compound which is capable of producing a silanol group by hydrolysis; a method for producing a silylating agent liquid, a film forming material or a diffusing agent composition, which uses the purification method; a filter medium which is composed of the above-described porous membrane; and a filter device which comprises the above-described porous membrane. A purification method for purifying a liquid, which comprises a step in which some or all of the liquid is caused to permeate through a polyimide and/or polyamide imide porous membrane having communicating pores from one side to the other side by means of differential pressure, and wherein the liquid is a silylating agent liquid, a film forming material or a diffusing agent composition that is used for diffusing a dopant into a semiconductor substrate.

Claim (Index 5):
The purification method according to  claim 2 , wherein the object to be purified is a silylating agent liquid,\n the silicon compound is a silylating agent represented by the following general formula (1):\n (R a1 ) a Si(H) b X 1 4-a-b \u2003\u2003(1) \n wherein in the formula (1), R a1  each independently represents a monovalent organic group comprising a monovalent hydrocarbon group having 1 to 18 carbon atoms in which some or all of hydrogen atoms may be substituted with a fluorine atom; X 1  each independently represents a monovalent functional group in which an atom bonded to a silicon atom is nitrogen; a is an integer of 1 to 3; b is an integer of 0 to 2; and a total of a and b is 1 to 3.

Metadata:
- Claim Count in Document: 21.0
- Percentile: 93.0
- Lexical Diversity: 2.38372
- Patent Class: 556.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15549740', '15070806', '15277528', '15547597', '15074131']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7235074545955715
- 35 USC 102 Novelty (BERT): 0.4734086278997798
- Combined Prediction Score: 0.6984975719259924
- Mean Citation Score: 211.430426
- Max Citation Score: 239.49785
- Similarity Product: 217.78809265578985

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