PATENT CLAIM ANALYSIS

Application Number: 15741861
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["526", "125400"]

Abstract:
The present invention relates to a solid, particulate catalyst component having an mean particle size range of 5 to 200 μm and comprising a compound of a Group 2 metal, a compound of a transition metal of Group 4 to 6, and at least two internal electron donors being different to each other and being non-phthalic organic compounds selected from (did)esters of non-phthalic carboxylic (did)acids, 1,3-diet hers and did-esters of 1,3-diol compounds and derivatives thereof, and wherein the solid particulate catalyst component is free of any external support material. The invention relates also to the preparation of the catalyst component and a polymerization process for producing propylene polymers.

Claim (Index 23):
A method for producing a solid, particulate catalyst component being free of any phthalic compound and of any external carrier material comprising\n a) providing a solution of a 1 ) at least a Group 2 metal alkoxy compound (Ax) being the reaction product of a Group 2 metal compound and an alcohol (A) comprising in addition to the hydroxyl moiety at least one ether moiety; or\n a 2 ) at least a Group 2 metal alkoxy compound (Ax\u2032) being the reaction product of a Group 2 metal compound and an alcohol mixture of the alcohol (A) and a monohydric alcohol (B) of formula ROH; or \n a 3 ) a mixture of the Group 2 metal alkoxy compound (Ax) and a Group 2 metal alkoxy compound (Bx) being the reaction product of a Group 2 metal compound and the monohydric alcohol (B); or \n a4) Group 2 metal alkoxy compound of formula M(OR 1 ) n (OR 2 ) m X 2-n-m  or mixture of Group 2 alkoxides M(O 1 ) n X 2-n \u2032 and M(OR 2 ) m \u2032X 2-m \u2032, where M is Group 2 metal, X is halogen, R 1  and R 2  are different alkyl groups of C 2  to C 16  carbon atoms, and 0\u2264n<2, 0<m<2 and n+m\u22642, provided that both n and m are not simultaneously zero, 0<n\u2032\u22642 and 0<m\u2032\u22642; and \n b) adding said solution from step a) to at least one compound of a transition metal of Group 4 to 6, c) obtaining the solid catalyst component particles, d) washing the catalyst component particles, and e) recovering the solid particles of the catalyst component, wherein\n a first internal electron donor (ID-1), or a precursor thereof, is added at least at any step prior to step c), a second internal electron donor (ID-2) and an optional additional internal donor (ID-3) is added at any step before step e), and wherein the internal donors (ID-1), (ID-2) and the optional third internal donor (ID-3), or precursors thereof, are non-phthalic organic compounds being different from each other and are selected from (did)esters of non-phthalic carboxylic (did)acids, 1,3-diet hers and did-esters of 1,3-diol compounds and derivatives thereof.

Metadata:
- Claim Count in Document: 26.0
- Percentile: 86.0
- Lexical Diversity: 1.63514
- Patent Class: 526.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15578599', '15318344', '15525711', '15316442', '14762500']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7524724483191538
- 35 USC 102 Novelty (BERT): 0.4888362917398005
- Combined Prediction Score: 0.7261088326612185
- Mean Citation Score: 267.39934
- Max Citation Score: 278.63388
- Similarity Product: 236.08359481422184

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