| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 521076000 | Preparing a cellular product utilizing a stated ingredient which is surface coated or is a discrete solid particle containing a fluid encapsulated therein, processes of forming an expandible composition, containing said stated ingredient or composition therefrom | 11 |
| 20080281006 | One-part non-toxic spray foam - A one-part spray foam formed by Michael addition chemistry is provided. The foamable composition includes at least one electron donor, at least one electron acceptor, an encapsulated catalyst, and one or more blowing agents. The catalyst is a weak or strong base. The encapsulation of the catalyst controls the polymerization of the Michael addition compounds such that the catalyst can be added and/or activated at a desired time to begin the foaming reaction. The catalyst may be encapsulated in a high molecular weight inert polymer or wax. In some embodiments, the chemical blowing agent(s) are also encapsulated. To produce a foam according to the invention, a single stream of the foamable composition is fed into an application gun where the slurry is heated and mixed. The heat and/or mixing in the gun releases the catalyst, which initiates the reaction between the Michael donor and Michael acceptor to form the foam. | 11-13-2008 |
| 20090048358 | PLGA/Hydroxyapatite Composite Biomaterial and Method of Making the Same - Tissue engineering is a growing field where new materials are being developed for implantation into the body. One important area involves bone graft materials to replace areas of bone lost to trauma or disease. Traditionally, graft material may be harvested from the bone of the individual receiving the graft material. However, this requires an additional surgery and additional recovery. Bone also may be taken from others, or even cadavers, but this introduces biocompatibility problems as well as the risk of disease transfer. Ideally, a biocompatible material is sought that will act as a filler with appropriate mechanical strength, encourage bone healing, and degrade to allow new bone ingrowth without the risk of disease transfer. The present invention is a new composite bone graft material made from biocompatible poly(D,L-lactic-co-glycolic acid) (PLGA) and nano-sized hydroxyapatite particles exposed on its surface using a gas foaming particle leaching (GF/PL) method. A further embodiment of this invention involves coating this PLGA/hydroxyapatite biomaterial with an adherent, fast, uniform coating of a mineral such as apatite. The PLGA polymer portion of the composite provides sufficient mechanical strength to replace bone and is degradable over time to allow new bone tissue ingrowth. The incorporated hydroxyapatite particles increase the composite material's osteogenic properties by providing sites for tissue attachment and propagation. Finally, a uniform coating of mineral apatite on the surface of this novel biomaterial composite further enhances its osteogenic qualities. | 02-19-2009 |
| 20100261803 | PARTICLE STABILISED HIGH INTERNAL PHASE EMULSIONS - A particle stabilised high internal phase emulsion comprising an internal phase, a continuous phase and particles comprising a core and a coating, wherein the wettability of the core is modulated by the coating. | 10-14-2010 |
| 20120059076 | NON-ISOCYANATE SPRAY FOAM - One- and two-part spray non-isocyanate foams that include an amide-based oligomer containing pendant carboxylic acid and a polyfunctional aziridine crosslinking agent is provided. The amide oligomer typically contains urea links, urethane links or both groups. Additionally, the foams may include one or more plasticizer, a non-functionalized resin, a surfactant, and/or a thickening agent or rheology modifier. The amide oligomer does not contain any isocyanate groups, and, as a result, there are no free isocyanate moieties generated during formation of the foam that may be potentially hazardous to workers installing the foam. The presence of the urethane segments on the oligomer permits for the generation of a polyurethane foam without the drawbacks of conventional polyurethane foams. The foams may be used to fill cavities, cracks, gaps and crevices, such as around windows and doors, and may also be used in flash and batt systems. | 03-08-2012 |
| 20120077891 | POROGEN COMPOSITIONS, METHODS OF MAKING AND USES - Provided are porogen compositions and methods of using such porogen compositions in the manufacture of porous materials, for example, porous silicone elastomers. The porogens generally include comprising a core material and shell material different from the core material. The porogens can be used to form a scaffold for making a resulting porous elastomer when the scaffold is removed. | 03-29-2012 |
| 20120149793 | MONOMODAL EXTRUDED POLYSTYRENE FOAM - Prepare an extruded polystyrene foam article by extruding a foamable polymer composition containing polystyrene homopolymer, a blowing agent containing 0.5 to three weight-parts water and 0.1 to five weight parts halloysite clay particles, with weight-parts relative to 100 weight-parts total polymer. | 06-14-2012 |
| 20130172434 | METHOD FOR PREPARING RESIN COMPOSITION FOR EXPANDABLE POLYPROPYLENE CARBONATE AND EXPANDABLE POLYPROPYLENE CARBONATE PREPARED THEREFROM - Provided herein are a method for preparing a resin composition for an expandable polypropylene carbonate and an expandable polypropylene carbonate prepared therefrom. More particularly, the present invention relates to a method for preparing a resin composition for an expandable polypropylene carbonate capable of using supercritical carbon dioxide as a foaming agent and preparing a foam having excellent moldability by an appropriate foaming method, and an expandable polypropylene carbonate prepared therefrom. The expandable polypropylene carbonate capable of having high magnification, excellent thermal stability, and dimensional stability may be prepared by using the resin composition according to the present invention. | 07-04-2013 |
| 20130184364 | FOAMABLE POLYMER PREPARATIONS AND COMPOSITIONS HAVING IMPROVED SORPTION PROPERTIES - Disclosed is a foamable polymer preparation comprising, relative to the total weight of (a), (b) and (c),
| 07-18-2013 |
| 20140128488 | Method for Making Organic Foam Composites Containing Aerogel Particles - Aerogel particles are impregnated with a volatile liquid. Organic polymer foams are made in the presence of the impregnated aerogel particles. The volatile liquid volatilizes during the foaming process, resulting in a composite foam in which the dispersed aerogel particle are filled with gas. The composite foams have exceptionally low thermal conductivities. | 05-08-2014 |
| 20140142207 | ULTRA LOW DENSITY BIODEGRADABLE SHAPE MEMORY POLYMER FOAMS WITH TUNABLE PHYSICAL PROPERTIES - Compositions and/or structures of degradable shape memory polymers (SMPs) ranging in form from neat/unfoamed to ultra low density materials of down to 0.005 g/cc density. These materials show controllable degradation rate, actuation temperature and breadth of transitions along with high modulus and excellent shape memory behavior. A method of making extremely low density foams (up to 0.005 g/cc) via use of combined chemical and physical blowing agents, where the physical blowing agents may be a single compound or mixtures of two or more compounds, and other related methods, including of using multiple co-blowing agents of successively higher boiling points in order to achieve a large range of densities for a fixed net chemical composition. Methods of optimization of the physical properties of the foams such as porosity, cell size and distribution, cell openness etc. of these materials, to further expand their uses and improve their performance. | 05-22-2014 |
| 20150018441 | YELLOW THERMOCHROMIC DYES, INKS COMPOSITION AND LEVEL INDICATORS - A new leuco dye produces a yellow color while demonstrating also exceptional light and thermal stability under light. | 01-15-2015 |
