Invention Grant
- Patent Title: Foaming additive for soil conditioning in the presence of mechanised excavation for tunnel construction
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Application No.: US16063746Application Date: 2016-12-06
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Publication No.: US10941343B2Publication Date: 2021-03-09
- Inventor: Massimo Stefanoni , Carlo Pistolesi , Marco Squinzi , Enrico Dal Negro , Cristiano Maltese , Daniele Peila
- Applicant: MAPEI S.P.A.
- Applicant Address: IT Milan
- Assignee: MAPEI S.P.A.
- Current Assignee: MAPEI S.P.A.
- Current Assignee Address: IT Milan
- Agency: Silvia Salvadori, P.C.
- Agent Silvia Salvadori
- Priority: IT102015000085939 20151221
- International Application: PCT/EP2016/079810 WO 20161206
- International Announcement: WO2017/108382 WO 20170629
- Main IPC: C09K17/32
- IPC: C09K17/32 ; E21D9/06
Abstract:
Disclosed is a liquid foaming additive for use in mechanised excavation by a tunnel boring machine, containing 5-40% by weight of one or more surfactants, 0.01-5% by weight of one or more biopolymers, and 55-94.99% by weight of water.
Public/Granted literature
- US20200270522A1 FOAMING ADDITIVE FOR SOIL CONDITIONING IN THE PRESENCE OF MECHANISED EXCAVATION FOR TUNNEL CONSTRUCTION Public/Granted day:2020-08-27
Information query
