| Patent Number |
Title Of Patent |
Date Issued |
| 5968664 |
Polymeric coated substrates for producing optically variable products |
October 19, 1999 |
| A method is provided for forming a strippable or dissolvable release coating on the surface of substrate such as a flexible polymeric film or web. The release coating is subsequently coated with a layer of material and then dissolved in a solvent to release the layer. The release coating |
| 5928781 |
Crotonic acid polymer coated substrates for producing optically variable products |
July 27, 1999 |
| A method is provided for forming a dissolvable or strippable polymeric release coating on the surface of flexible web, forming an overcoated metallized or optically variable layer on said release coating, and stripping or dissolving the release coating to release the overcoated layer |
| 5201460 |
Spill-resistant drinking straw |
April 13, 1993 |
| The invention provides spill-resistent drinking straws which are normally maintained in a substantially sealed state such that liquid is substantially prevented from flowing through the straw, but which can be manually deformed to an open state for use in drinking in which liquid can |
| 5185932 |
Robotic fluid-actuated muscle analogue tree trimmer |
February 16, 1993 |
| An improved robotic contractile device having, besides general industrial and other-usage applicability for automation and other purposes, particularly attractive utility in and for prosthetic applicances and which is characterizable in being able to function in a way remarkably anal |
| 5021064 |
Robotic fluid-actuated muscle analogue |
June 4, 1991 |
| An improved robotic contractile device having, besides general industrial and other-wages applicability for automation and other purposes, particularly attractive utility in and for prosthetic appliances and which is characterizable in being able to function in a way remarkably analogous |
| 4923713 |
Moisture-resistant, coated thermoplastic film having enhanced adhesion to inks and metallic laye |
May 8, 1990 |
| A two-step, sequential coating method is disclosed which permits the use of aqueous precursor solutions to coat water-insoluble compounds onto thermoplastic film. In a preferred embodiment, an aqueous oleic acid/ammonium oleate solution is coated onto amorphous polyester sheet which |
| 4880695 |
Moisture-resistant, coated thermoplastic film having enhanced adhesion to inks and metallic laye |
November 14, 1989 |
| A two-step, sequential coating method is disclosed which permits the use of aqueous precursor solutions to coat water-insoluble compounds onto thermoplastic film. In a preferred embodiment, an aqueous oleic acid/ammonium oleate solution is coated onto amorphous polyester sheet which |
| 4810434 |
Process for manufacture of surface-modified oriented polymeric film |
March 7, 1989 |
| A process for surface modification of oriented polymeric film is disclosed. The process, applicable to polyesters, polyolefins, and polyamides, involves subjecting the film surface to at least one short pulse of intense electromagnetic radiation. Such surface treatment enhances the h |
| 4790293 |
Apparatus and method for solar heating of water |
December 13, 1988 |
| A solar heating apparatus for a tank of water is disclosed which comprises a plurality of substantially planar, light absorbent strips positioned substantially vertically in spaced relationship in the water. The plurality of strips functions as a light trap for solar radiation. |
| 4631155 |
Process for manufacture of surface-modified oriented polymeric film |
December 23, 1986 |
| A process for surface modification of oriented polymeric film is disclosed. The process, applicable to polyesters, polyolefins, and polyamides, involves subjecting the film surface to at least one short pulse of intense electromagnetic radiation. Such surface treatment enhances the h |
| 4557963 |
Tamper-resistant polyester credit cards |
December 10, 1985 |
| The present invention relates to a credit card or identification card fabricated from amorphous polyester sheet material wherein at least the area of said card containing embossed numerical or letter characters and the characters themselves are composed of substantially crystalline p |
| 4554200 |
Polyester film primed with organic acid salts |
November 19, 1985 |
| A prime coated oriented polyester film is disclosed wherein the primer coating is applied as an aqueous medium consisting essentially of a material selected from the group consisting of a water soluble alkali metal salt of an unsaturated fatty acid having from about 10 to 18 carbon a |
| 4522670 |
Process for manufacture of tamper-resistant polyester credit cards |
June 11, 1985 |
| The present invention relates to a credit card or identification card fabricated from amorphous polyester sheet material wherein at least the area of said card containing embossed numerical or letter characters and the characters themselves are composed of substantially crystalline p |
| 4515863 |
Polyester film primed with phosphorus-containing polyester |
May 7, 1985 |
| A primer coated oriented polyester film is disclosed wherein the primer coating comprises a polyester comprising a branched chain phosphorus-containing polymer which is the reaction product of at least one dicarboxylic reactant, at least one diol or polyoxyalkylene glycol and a phosp |
| 4486483 |
Polyester film primed with organic acid salts |
December 4, 1984 |
| A prime coated oriented polyester film is disclosed wherein the primer coating is applied as an aqueous medium consisting essentially of a material selected from the group consisting of a water soluble alkali metal salt of an unsaturated fatty acid having from about 10 to 18 carbon a |
| 4401327 |
Nylon twine and the like having ameliorated knot strength |
August 30, 1983 |
| Various nylon filamentary materials, including twine, rope and other cordages, are rendered resistant to knot and other interlacement slippage by treatment with certain latex compositions that form a tightly-adhering, blockage-promoting and -assisting surface film on the treated filament |
| 4210621 |
Method of applying vermicular expanded graphite composite material |
July 1, 1980 |
| A method of applying a vermicular expanded graphite composite material to the interior surface of a conduit by a two-step in situ compression process is disclosed. |