Patent ID: 11873536
Assignee: BEKEN ITALIA S.R.L.
Field: Chemical engineering (Chemistry)
Classification: CPC C | IPC C

Claim 10:
11. The process according to claim 10, wherein in the maceration step or in the subsequent two or three washes one or more components are added selected from:
up to 0.5% by weight of a degreaser;
up to 1.2% of a mixture containing between 40 and 45% of ammonium chloride (NH4Cl), between 20 and 30% of one or more C4-C6 dicarboxylic acids, and between 0.5 and 1.5% of sulfamic acid (H2NSO3H), with the balance to 100% consisting of ammonium sulphate (NH4SO4H);
up to 0.2% by weight of ammonium sulphate; and
up to 0.4% by weight of hydrogen peroxide.