PATENT CLAIM ANALYSIS

Application Number: 16353685
Application Type: Utility
Filing Date: 2019-03
Publication Date: 2019-07
Patent Classification: ["427", "230000"]

Abstract:
Methods, processes, compositions and systems for preventing leaching effects from water pipes (such as lead, steel and copper) having an inner diameter of at least approximately 12 mm. 2-part thermoset resin coating is applied to the inner surfaces of the pipes where the curing agent can be a phenol free and plasticizer free adduct type. The coating can reduce heavy metals, such as lead, from leaching from installed pipes to less than approximately 10 μg/L (10 ppb). When cured, specific leachates, Bisphenol A and Epichlorohydrin from the coatings will be (less than)<1 μg/L (1 ppb) with overall TOC levels measured at (less than)<2.5 mg/L (2.5 ppm). Pipes can be returned to service within approximately 24 hours, and preferably within approximately 4 hours. The methods, processes, compositions and systems can work with non-metallic pipes having metal valves and/or metal fittings.

Claim (Index 10):
A process for reducing leaching of metals from inside surfaces of non-metallic water pipes with at least one metal fitting with drinking water passing through the pipes, the non-metallic water pipes selected from one of CPVC (chlorinated polyvinyl chloride), PVC (polyvinyl chloride), PEX (cross-linked polyethylene), PB (polybutylene), ABS (acrylonitrile butadiene styrene or HDPE (high-density polyethylene), the method comprising the steps of:\n cleaning interior surfaces of the non-metallic water pipes with the at least one metal fitting; providing a resin composition with a curing agent having amine adducts that are phenol free and plasticizer free; coating the interior surfaces of the pipes and the at least one metal fitting with the resin wherein the interior surfaces of the pipes and the at least one metal fittings, are lined and sealed \u201cin place\u201d; and curing the coated pipes within approximately 4 hours to return the non-metallic water service pipes to service.

Metadata:
- Claim Count in Document: 2.0
- Percentile: 99.0
- Lexical Diversity: 1.8
- Patent Class: 427.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15694442', '13566377', '14011260', '14829248', '15449454']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8510146533757535
- 35 USC 102 Novelty (BERT): 0.6187466831402384
- Combined Prediction Score: 0.8277878563522021
- Mean Citation Score: 510.1618259999999
- Max Citation Score: 549.64185
- Similarity Product: 506.2196545286088

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