Patent · US Active

Clay-compatible additive for construction chemicals

US9365452B2 · kind B2 · utility

0Cited by

9References

15Claims

0Family size

Assignee

CONSTRUCTION RESEARCH & TECHNOLOGY GMBH · DE

Inventors

Joachim DENGLER · Trostberg, DE
Barbara Mittermaier · Tacherting, DE

Key dates

Filing date	Jun 7, 2013
Grant date	Jun 14, 2016
Priority date	—
Expiry date	Jun 7, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/91
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a monomer-based condensation product, wherein the monomers comprising at least one monomer having an aldehyde moiety and at least one monomer having a ketone moiety, which is carrying at least one non-aromatic moiety and the condensation product comprises at least one moiety from the series of phosphono, sulphino, sulpho, sulphamido, sulphoxy, sulphoalkyloxy, sulphinoalkyloxy and phosphonooxy groups and/or salts thereof, wherein the monomers further comprising gallic acid. Additionally disclosed are the preparation and the use of these condensation products in chemical products for the construction industry.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.