PATENT CLAIM ANALYSIS

Application Number: 15882748
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-05
Patent Classification: ["252", "175000"]

Abstract:
A process for producing a polyaluminum chlorosulfate (PACS) includes adding an aluminum hydroxychloride (AHC) solution having about 38-43% basicity with (1) aqueous aluminum sulfate to form a solution and mixing a solid AHC with the solution to form an aqueous milky suspension or (2) a solid AHC and solid aluminum sulfate and adding water to the solid mixture to form an aqueous milky suspension, and maintaining the milky suspension for a period sufficient to allow the milky suspension to form a clear to slightly turbid solution including the PACS, the PACS having a basicity of 55 to 75%, the average molecular weight of the PACS is greater than or equal to 95 and less than or equal to 111, and salts present in the PACS comprise 0-1.0% sodium chloride by weight and 0-1.0% sodium sulfate by weight.

Claim (Index 1):
A process for producing a polyaluminum chlorosulfate (PACS), the process comprising:\n a) providing an aluminum hydroxychloride solution having about 38-43% basicity; b) mixing aqueous aluminum sulfate with the aluminum hydroxychloride solution to form a solution of aluminum sulfate and aluminum hydroxychloride; c) providing solid aluminum hydroxychloride having formula (I):\n Al 2 (OH) n (Cl) 6-n -zH 2 O \u2003\u2003(I) \n where 4.3\u2264n\u22645.1, and 0\u2264z\u22643; d) mixing the solid aluminum hydroxychloride with the solution of aluminum sulfate and aluminum hydroxychloride to form an aqueous milky suspension, wherein, on a dry weight basis, the ratio of the aluminum hydroxychloride to the aluminum sulfate is 0.75-20 parts aluminum hydroxychloride to 1 part aluminum sulfate; and e) maintaining the milky suspension of step d) for a period sufficient to allow the milky suspension to form a clear to slightly turbid solution comprising the PACS having formula (II):\n Al(OH)xCl(3-x-2y)(SO4)y \u2003\u2003(II) \n wherein 1.78<x<2.02, 0.03<y<0.45, and 1.8<x+y/2<2.1; Al:SO4=2 to 34; Al:Cl=0.9 to 3.0; Al:OH=0.5 to 0.6; the basicity is 55 to 75%; the average molecular weight of the PACS is greater than or equal to 95 and less than or equal to 111; and salts present in the PACS comprise 0-1.0% sodium chloride by weight and 0-1.0% sodium sulfate by weight.

Metadata:
- Claim Count in Document: 50.0
- Percentile: 86.0
- Lexical Diversity: 2.23188
- Patent Class: 252.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15478485', '14333963', '11619483', '11619478', '14059953']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7847600698772831
- 35 USC 102 Novelty (BERT): 0.6318317146888601
- Combined Prediction Score: 0.7694672343584408
- Mean Citation Score: 340.25184399999995
- Max Citation Score: 607.70166
- Similarity Product: 546.4879068393517

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