PATENT CLAIM ANALYSIS

Application Number: 16084456
Application Type: Utility
Filing Date: 2018-09
Publication Date: 2019-04
Patent Classification: ["073", "061560"]

Abstract:
A rotary injection valve used in chromatography includes a stator having a stator sealing surface and a sample load channel disposed inside the stator body below the stator sealing surface. The valve can have a reduced number of ports thereby allowing faster integration of the valve into a chromatographic system. Flow restriction is reduced compared to valves that use an external sample loop for a similar volume of sample. The lack of stator ports for the sample load channel eliminates the potential for carryover created by external valve couplings. Another advantage is the reduction of surface wear achieved by locating the sample load channel below the stator sealing surface.

Claim (Index 1):
A rotary injection valve, comprising:\n a stator having a stator sealing surface and a plurality of ports including a sample port to receive a flow of a chromatographic sample, a mobile phase port to receive a flow of a mobile phase, a waste port to dispense the flow of the chromatographic sample to waste and a column port to provide the flow of the mobile phase to a chromatographic column, the stator further including a sample load channel disposed inside the stator body below the stator sealing surface, the sample load channel extending between a first port and a second port in the stator sealing surface; and a rotor having a rotor seal surface in contact with and sealing against the stator sealing surface, wherein a plurality of valve channels is disposed on at least one of the stator sealing surface and the rotor seal surface and wherein, when the rotary injection valve is in a load configuration, an end of the sample load channel is in fluidic communication with the sample port and another end of the sample load channel is in fluidic communication with the vent port to thereby enable the chromatographic sample to flow into the sample load channel and when the rotary injection valve is in an inject configuration, one of the ends of the sample load channel is in fluidic communication with the mobile phase port and the other of the ends of the sample load channel is in fluidic communication with the column port to thereby enable the chromatographic sample in the sample load channel to be injected into the flow of the mobile phase.

Metadata:
- Claim Count in Document: 22.0
- Percentile: 97.0
- Lexical Diversity: 1.78125
- Patent Class: 73.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['13808263', '15527182', '14529947', '14383239', '14156197']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7160250012029924
- 35 USC 102 Novelty (BERT): 0.5051283376314026
- Combined Prediction Score: 0.6949353348458335
- Mean Citation Score: 251.387064
- Max Citation Score: 292.2757299999999
- Similarity Product: 225.9686854971849

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

Dataset: test