Abstract: A polymeric article comprises an elastomeric layer comprising cured synthetic polyisoprene particles that comprise a Ziegler-Natta catalyzed polyisoprene.
Abstract: Provided, among other things, is a packaged condom comprising: a sealed package; within the package, an polyisoprene condom; and within the package and substantially coating the condom, a lubricant comprising solvent and one or more sensation-providing agents comprising one or more of vanillyl butyl ether, menthyl lactate, and menthol, wherein the solvent comprises non-water soluble silicone oil and 99% or more of the lubricant by weight is the non-water soluble silicone oil.
Type:
Application
Filed:
October 19, 2022
Publication date:
March 30, 2023
Applicant:
LifeStyles Healthcare Pte. Ltd.
Inventors:
KC Nguyen, Beng Sim Chuah, Sek Yan Tan, Ji An Chooi, Chayapon Ngowprasert, Chayaporn Pongthanomsak, Phuttatida Tanjaroon, Hanita Binti Mohamad Tahir
Abstract: A polymeric article comprises an elastomeric layer comprising cured synthetic polyisoprene particles that comprise a Ziegler-Natta catalyzed polyisoprene.
Abstract: Polymeric articles, such as condoms or gloves, including a decoration, are described. The polymeric article includes at least two polymeric layers, and a decoration. The decoration is at least one of a polymeric film, a decal or a temporary tattoo disposed between the at least two polymeric layers. Methods for manufacturing polymeric articles including a decoration are also described.
Type:
Grant
Filed:
October 16, 2013
Date of Patent:
February 9, 2021
Assignee:
Lifestyles Healthcare PTE. Ltd.
Inventors:
K C Nguyen, Beng Sim Chuah, Chayaporn Pongthanomsak, Chintana Netrung, Matthew Groskorth, Utain Pattanapradit, Paul D'Aguiar
Abstract: A polymeric article comprises an elastomeric layer comprising cured synthetic polyisoprene particles that comprise a Ziegler-Natta catalyzed polyisoprene.
Type:
Grant
Filed:
August 29, 2018
Date of Patent:
May 26, 2020
Assignee:
Lifestyles Healthcare PTE. Ltd.
Inventors:
K C Nguyen, Chayapon Ngowprasert, Catherine Tang Kum Choo
Abstract: A synthetic polyisoprene latex emulsion has pre-vulcanization composition and post vulcanization composition. The pre-vulcanization composition comprises soluble sulfur with high S8 ring structure that is catalytically broken by a zinc dithiocarbamate. Surfactants present in the pre-vulcanization composition wets synthetic polyisoprene particles and permeates small sized sulfur and accelerator molecules into the interior of these particles thereby pre-vulcanizing the particles. The degree of pre-vulcanization is verified by isopropanol index test. The latex emulsion has post-vulcanization composition with accelerators that crosslink inter-particle region during post vulcanization cure cycle. The dipped synthetic polyisoprene article is substantially uniformly cured both in the inter-particle and intra-particle regions and reliably exhibits high cross link density, uniform distribution of double bonds in TEM and zinc segregation at the boundaries or original particles by electron microprobe analysis.
Type:
Grant
Filed:
June 28, 2017
Date of Patent:
January 21, 2020
Assignee:
Lifestyles Healthcare Pte. Ltd.
Inventors:
David M. Lucas, Sugath Amarasekera, Dave Narasimhan, Adeline Ai Lin Kung
Abstract: An environmentally-friendly composite foil that includes a first biocompostable and/or biorenewable cellulose-based film comprising a moisture barrier coating; a second biocompostable and/or biorenewable cellulose-based film comprising a thin metallized surface, disposed adjacent to the first biocompostable and/or biorenewable cellulose-based film, having a bio-adhesive disposed between the first biocompostable and/or biorenewable cellulose-based film and the second biocompostable and/or biorenewable cellulose-based film; and a third biocompostable and/or biorenewable film comprising a sugar and/or a corn-based film, disposed adjacent to the biocompostable and/or biorenewable cellulose-based second film.