公开(公告)号：US10570352B2

公开(公告)日：2020-02-25

申请号：US15541500

申请日：2015-12-29

Applicant: STEPAN COMPANY

Inventor： Brian Holland ,  Randal Bernhardt ,  Branko Sajic

IPC: C11D1/37 ,  C11D1/14 ,  C11D1/29 ,  C11D3/386 ,  C11D1/22 ,  C11D1/90 ,  C11D1/34 ,  C11D1/83 ,  C11D1/92 ,  C11D1/62 ,  C11D11/00 ,  C11D1/72 ,  C11D1/75

Abstract: Laundry detergents and their use for cold-water cleaning are disclosed. The detergents comprise a lipase and a mid-chain headgroup surfactant or an alkylene-bridged surfactant. The mid-chain headgroup surfactants have a C14-C30 alkyl chain and a polar group bonded to a central zone carbon of the C14-C30 alkyl chain. The alkylene-bridged surfactants comprise a C12-C18 alkyl chain, a polar group, and a C1-C2 alkylene group bonded to the polar group and a central zone carbon of the C12-C18 alkyl chain. Surprisingly, when combined with lipases, detergents formulated with the mid-chain headgroup or alkylene-bridged surfactants effectively liquefy greasy soils at low temperature and provide outstanding cold-water performance in removing greasy stains such as bacon grease, butter, cooked beef fat, or beef tallow from soiled articles.

公开(公告)号：US20170369816A1

公开(公告)日：2017-12-28

申请号：US15541500

申请日：2015-12-29

Applicant: STEPAN COMPANY

Inventor： Brian Holland ,  Randal Bernhardt ,  Branko Sajic

IPC: C11D1/37 ,  C11D3/386 ,  C11D1/14 ,  C11D1/29

Abstract: Laundry detergents and their use for cold-water cleaning are disclosed. The detergents comprise a lipase and a mid-chain headgroup surfactant or an alkylene-bridged surfactant. The mid-chain headgroup surfactants have a C14-C30 alkyl chain and a polar group bonded to a central zone carbon of the C14-C30 alkyl chain. The alkylene-bridged surfactants comprise a C12-C18 alkyl chain, a polar group, and a C1-C2 alkylene group bonded to the polar group and a central zone carbon of the C12-C18 alkyl chain. Surprisingly, when combined with lipases, detergents formulated with the mid-chain headgroup or alkylene-bridged surfactants effectively liquefy greasy soils at low temperature and provide outstanding cold-water performance in removing greasy stains such as bacon grease, butter, cooked beef fat, or beef tallow from soiled articles.