Binary process for manufacture of dipped latex products
US10214621B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2014 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Jun 29, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2309/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A binary process for manufacturing dipped latex product. The binary process disclosed herein eliminates the influence of any level of pre-vulcanization on the outcome of the dipping process whether using natural or synthetic latex. The binary process includes preparing a first latex mixture Formulation A including latex, one or more accelerators, and one or more surfactants, but without curing agents; and preparing a second latex mixture Formulation B including latex, one or more curing agents, and one or more surfactants, but without curing accelerators. The process further includes dipping one or more formers into the Formulations A and B separately in order to form a plurality of coatings/layers of the Formulations A and B, and later on curing the plurality of coatings/layers on the formers to form the dipped latex products, which can be a condom, glove, balloon, catheter, finger cot, surgical tubing, baby bottle nipple or dental dam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.