公开(公告)号：US20240191057A1

公开(公告)日：2024-06-13

申请号：US18555436

申请日：2022-04-14

Applicant: IMERTECH SAS

Inventor： Anais BERJEAUD ,  Gilles MELI

IPC: C08K3/34 ,  C01B33/22

CPC classification number: C08K3/346 ,  C01B33/22 ,  C01P2004/51 ,  C01P2006/12 ,  C01P2006/62 ,  C01P2006/63 ,  C01P2006/64 ,  C08K2201/005 ,  C08K2201/006

Abstract: A microcrystalline talc particulate having a BET specific surface area no less than about 35 m2/g and one or both of: (a) a d50, by Sedigraph, no greater than about 2.0 5 μm; and (b) a d50, by laser, no greater than about 5.0 μm.

公开(公告)号：US20220298325A1

公开(公告)日：2022-09-22

申请号：US17633819

申请日：2020-08-06

Applicant: IMERTECH SAS

Inventor： Anais BERJEAUD ,  Cyril COPPEL ,  Alexander JAKOB ,  Jerome CREPIN-LEBLOND

IPC: C08K3/26 ,  C08L23/12 ,  C08J3/20 ,  B29B7/90 ,  B29C48/00

Abstract: The present disclosure relates to a filled composition comprising a substrate, functional filler, and an inorganic additive including a precipitated calcium carbonate for reducing the odour of the filled composition, and related uses, methods and articles of manufacture; the precipitated calcium carbonate having a specific surface area greater than about 18 m2/g, an inter-particle pore volume of at least about 0.05 cm3/g, an intra-particle pore volume of less than about 0.1 cm3/g, and a Dp of less than or equal to about 100 nm.