公开(公告)号：US20150059999A1

公开(公告)日：2015-03-05

申请号：US14380431

申请日：2013-03-21

Applicant: Omya International AG

Inventor： Samuel Rentsch ,  Daniel E. Gerard ,  Matthias Buri ,  Patrick A.C. Gane ,  Vesa Kukkamo

IPC: C09C1/02 ,  C08K3/26 ,  C09D129/04 ,  C09D139/04 ,  C09C3/10 ,  D21H17/66

CPC classification number: C09C1/021 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/22 ,  C08K3/26 ,  C08K2003/265 ,  C09C3/10 ,  C09D129/04 ,  C09D139/04 ,  D21H17/00 ,  D21H17/66 ,  D21H17/675 ,  D21H19/385

Abstract: The present invention relates to an aqueous calcium carbonate containing composition, to methods for producing such aqueous calcium carbonate containing compositions and to the use of the aqueous calcium carbonate containing composition in paper, paper coating, plastics and/or paint applications and as filler in paper.

Abstract translation: 本发明涉及含碳酸钙水溶液的组合物，含有碳酸钙水溶液的组合物的制造方法以及含有碳酸钙的组合物在纸张，纸张涂料，塑料和/或油漆应用中的用途以及纸中的填料 。

公开(公告)号：US12275853B2

公开(公告)日：2025-04-15

申请号：US17593868

申请日：2020-04-07

Applicant: Omya International AG

Inventor： Daniel E. Gerard

IPC: C01F11/18 ,  C09C1/02

Abstract: The present invention relates to a process for producing a surface-reacted calcium carbonate, wherein a calcium carbonate-comprising material is treated with at least one inorganic acid and carbon dioxide in an aqueous medium to form an aqueous suspension of surface-reacted calcium carbonate, wherein the at least one water-soluble, inorganic magnesium salt is added before, during and/or after the treatment step. Furthermore, the present invention relates to a surface-reacted calcium carbonate obtained from said process and its use.

公开(公告)号：US11021374B2

公开(公告)日：2021-06-01

申请号：US16365278

申请日：2019-03-26

Applicant: Omya International AG

Inventor： Daniel E. Gerard ,  Patrick A. C. Gane

IPC: C01F11/18 ,  D21H19/38 ,  D21H17/67

Abstract: The present invention is directed to a process for producing an aqueous suspension of precipitated calcium carbonate, wherein a milk of lime is prepared by mixing water, a calcium oxide containing material, and a precipitation enhancer, and subsequently, the milk of lime is carbonated to form an aqueous suspension of precipitated calcium carbonate.

公开(公告)号：US20200061105A1

公开(公告)日：2020-02-27

申请号：US16551511

申请日：2019-08-26

Applicant: Omya International AG

Inventor： Daniel E. Gerard ,  Tanja Budde ,  Joachim Schoelkopf ,  Patrick A.C. Gane

IPC: A61K33/10 ,  A61K6/00 ,  A61K8/19 ,  A61Q11/00

Abstract: The present invention relates to surface-reacted calcium carbonate, wherein the surface-reacted calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and at least one acid. Said calcium carbonate 5 and oral compositions containing the same can be used as a medicament, and especially in treating dentine hypersensitivity.

公开(公告)号：US10351710B2

公开(公告)日：2019-07-16

申请号：US15308894

申请日：2015-05-28

Applicant: Omya International AG

Inventor： Daniel E. Gerard ,  Joachim Schoelkopf ,  Patrick A. C. Gane

IPC: C09C1/02 ,  C09C3/04 ,  C09C3/10 ,  C08K3/26

Abstract: The present invention relates to a method for the production of granules comprising surface-reacted calcium carbonate by a) providing surface-reacted calcium carbonate, b) saturating the surface-reacted calcium carbonate with one or more liquids; c) providing one or more binder; d) combining the liquid saturated surface-reacted calcium carbonate with the one or more binder under agitation in an agitation device; e) removing the liquid from the mixture of step d); as well as to the granules comprising surface-reacted calcium carbonate obtained by this method.

公开(公告)号：US20170105911A1

公开(公告)日：2017-04-20

申请号：US15121506

申请日：2015-03-05

Applicant: OMYA INTERNATIONAL AG

Inventor： Tanja Budde ,  Daniel E. Gerard ,  Patrick A.C. Gane

IPC: A61K8/19 ,  A61Q11/00 ,  A61K8/21

CPC classification number: A61K8/19 ,  A61K8/21 ,  A61K8/24 ,  A61Q11/00

Abstract: The present invention relates to surface-reacted calcium carbonate, wherein the surface-reacted calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and at least one acid. Said calcium carbonate and oral compositions containing the same can be used in remineralisation and/or whitening of teeth.

公开(公告)号：US09234102B2

公开(公告)日：2016-01-12

申请号：US14619283

申请日：2015-02-11

Applicant: Omya International AG

Inventor： Patrick A. C. Gane ,  Daniel E. Gerard

IPC: C09C1/02 ,  D21H17/69 ,  D21H17/67 ,  C08K3/26 ,  C09D7/12 ,  C02F1/68 ,  C08K9/00 ,  C08K9/04 ,  D21H17/14

CPC classification number: C09C1/021 ,  C01P2004/61 ,  C01P2004/80 ,  C01P2006/12 ,  C02F1/68 ,  C08K3/26 ,  C08K9/00 ,  C08K9/04 ,  C08K2003/265 ,  C09C1/022 ,  C09D7/62 ,  D21H17/14 ,  D21H17/67 ,  D21H17/675 ,  D21H17/69

Abstract: The present application relates to a process for preparing a surface-reacted calcium carbonate in an aqueous environment. The process according to the present invention aims at avoiding the mandatory implementation of medium-strong to strong acids. Another aspect of the present invention is directed to an aqueous suspension of surface-reacted calcium carbonate which is Obtainable by the inventive process.

Abstract translation: 本申请涉及在水性环境中制备表面反应的碳酸钙的方法。 根据本发明的方法旨在避免中强强酸的强制性实施。 本发明的另一方面涉及通过本发明方法可获得的表面反应的碳酸钙的水性悬浮液。

公开(公告)号：US11168219B2

公开(公告)日：2021-11-09

申请号：US16320654

申请日：2017-07-20

Applicant: OMYA INTERNATIONAL AG

Inventor： Daniel E. Gerard ,  Samuel Rentsch ,  Matthias Welker ,  Simon Urwyler ,  Joachim Glaubitz ,  Martina Elisabeth Knupfer ,  Patrick A. C. Gane

IPC: C09C1/02 ,  D21H17/67 ,  D21H19/38 ,  D21H21/52

Abstract: A process of producing a surface-reacted calcium carbonate is described. In embodiments, a calcium carbonate-comprising material is treated with at least one H3O+ ion donor, carbon dioxide, and at least one water-soluble metal cation source in an aqueous medium to form an aqueous suspension of surface-reacted calcium carbonate. A surface-reacted calcium carbonate obtained by said process and its use are also described.

公开(公告)号：US11041074B2

公开(公告)日：2021-06-22

申请号：US15774914

申请日：2016-12-01

Applicant: Omya International AG

Inventor： Carolina Diaz Quijano ,  Daniel E. Gerard ,  Joachim Schoelkopf ,  Patrick A. C. Gane

IPC: C09C1/02 ,  A61K9/16 ,  C01F11/18

Abstract: The present invention relates to a method for the production of granules comprising surface-reacted calcium carbonate, as well as to the granules obtained thereby and their use.

公开(公告)号：US10780031B2

公开(公告)日：2020-09-22

申请号：US15031799

申请日：2014-12-12

Applicant: Omya International AG

Inventor： Tanja Budde ,  Michael Skovby ,  Daniel E. Gerard

IPC: A61K8/19 ,  A61Q11/00 ,  C11D3/14 ,  A61K8/02 ,  A61K8/25 ,  C11D7/02

Abstract: The present invention relates to an abrasive cleaning composition comprising at least 6 wt.-%, based on the total weight of the composition, of a surface-reacted calcium carbonate as an abrasive material, wherein the surface-reacted calcium carbonate is a reaction product of natural or synthetic calcium carbonate with carbon dioxide and at least one acid.