Patent ID: 11937626
Assignee: NICOVENTURES TRADING LIMITED
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 23:
24. A method of preparing a product containing a whitened tobacco material comprising:
(i) extracting a tobacco material with a first extraction solution to provide a tobacco solids material and a tobacco extract;
(ii) cooking the tobacco solids material in an alkaline cooking liquid comprising sodium sulfide and having a pH of greater than 11 to form a tobacco pulp;
(iii) treating the tobacco pulp with an acid to lower the pH of the tobacco pulp and provide a neutralized tobacco pulp;
(iv) extracting the neutralized tobacco pulp with a second extraction solution comprising at least one chelating agent to provide an extracted tobacco pulp;
(v) bleaching the extracted tobacco pulp with a bleaching solution to provide a whitened tobacco material; and
(vi) incorporating the whitened tobacco material within a device configured for combustible aerosol delivery, a device configured for non-combustible aerosol delivery, or a device configured for aerosol-free delivery to form the product.