Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 5676597 | Vented hip, ridge and rake composite shingle A composite shingle which comprises a hip, ridge or rake overlappable shingle of standard dimension bonded to a relatively rigid, randomly aligned fibrous, air permeable mat as an underlayer having a shorter length such that upon overlapping said shingles... | 10/14/1997 |
| 5539039 | Process for the preparation of stable water based stock solutions of crosslinked lower alkyl vinyl ether and maleic anhydride copolymers and hydrogel product of the process This invention relates to stable colorless concentrates and stock solutions of 1-5% crosslinked lower alkyl vinyl ether/maleic anhydride copolymers having a Brookfield viscosity of up to about 25,000 cps and to the process for their preparation.... | 07/23/1996 |
| 5534564 | Process for the color stabilization of an aqueous N-vinyl heterocyclic copolymer solution This invention relates to a process for the production of a substantially odorless, color stable N-vinyl heterocyclic copolymer in pure deionized water or in aqueous alcoholic solution which includes contacting an alcohol solution of the copolymer, under ... | 07/09/1996 |
| 5527947 | Process for preparation of cinnamate sunscreen agents This invention relates to an improved process for the manufacture of cinnamate compounds, particularly sunscreen agents, useful in cosmetic skin and hair care formulations. The process comprises: (a) dissolving a water insoluble C1 to C4 | 06/18/1996 |
| 5467568 | Dimensional hip and ridge roofing panel A bituminous hip and ridge roofing panel having roofing granules on its exposed surface and having folded underlay and overlay sections such that a three dimensional appearance and improved weatherability is achieved upon installation.... | 11/21/1995 |
| 5468820 | Reactive diluent for radiation curing of film-forming polymers This invention relates to a reactive diluent mixture employed in a free radical polymerization of film-forming monomers which comprises between about 25 and about 90 wt. % N-vinyl lactam containing 6 to 9 carbon atoms and between about 10 and about 75 wt.... | 11/21/1995 |
| 5457241 | Polyalk-1-enyl ethers This invention relates to the polyalk-1-enyl ethers having the formula ##STR1## which is the reaction product of a hydroxylated compound and an alk-1-enyloxy oxirane and to the process for preparing the polyalk-1-enyl ether product.... | 10/10/1995 |
| 5451394 | Quaternary salts of para-dialkylamino benzamide derivatives This invention relates to non-hydrolyzable, non-irritating, hair, skin and textile substantive quaternary ammonium salts of a para-dialkylamino benzamide having the formula ##STR1## wherein R' and R" are each selected from the group of C1 ... | 09/19/1995 |
| 5427774 | Heterocyclic quaternary salts of para-dialkylamino benzamide derivatives This invention relates to non-hydrolyzable, non-irritating, hair, skin and textile substantive quaternary ammonium salts of a para-dialkylamino benzamide having the formula ##STR1## wherein R' and R" are each selected from the group of C1 ... | 06/27/1995 |
| 5427773 | Quaternary salts of dialkylaminobenzamides This invention relates to non-hydrolyzable, non-irritating, hair, skin and textile substantive quaternary salts of p-dialkylaminobenzamides having the formula ##STR1## wherein R' and R" are each selected from the group of C1 to C2 | 06/27/1995 |
| 5405818 | Free radical initiator delivery system This invention relates to an improved polymerization free radical initiator delivery system for the polymerization of monomers containing olefinic unsaturation and to the preparation of the initiator which comprises dissolving a water insoluble free radic... | 04/11/1995 |
| 5395867 | Denture adhesive This invention relates to an improved adhesive composition having extended holding power accompanied by adhesion building properties during use and having increased gel adhesion, which composition consists essentially of (a) from about 10 to about 35 wt. ... | 03/07/1995 |
| 5393825 | Films and extrusions of cured crosslinked vinyl lactam polymer and method of preparation This invention relates to a continuous film, coating, membrane or extruded filament of a crosslinked vinyl lactam polymer having excellent substrate adhesion, a glass transition temperature (Tg) above 150° C. and water repellent properties. The invention... | 02/28/1995 |
| 5393888 | Non-catalytic liquid phase conversion of butyrolactone and ammonia to 2-pyrrolidone product in high yield and selectivity This invention relates to a liquid phase process for producing 2-pyrrolidone in high yield and selectivity in the absence of catalyst and extraneous solvents which involves contacting ammonia with butyrolactone in a molar ratio of from 0.5:1 to 0.85:1 at ... | 02/28/1995 |
| 5373032 | Radiation curable alk-1-enyl urethanyl prepolymers This invention relates to alk-1-enyl etherurethanyl block prepolymers which are curable by cationically initiated radiation and which are defined by the formula ##STR1## wherein m has a value of from 1 to 25; A is C2 to C12 alky... | 12/13/1994 |
| 5364691 | Alk-1-enyloxy carbonates This invention relates to radiation curable alk-1-enyloxy carbonate reaction products of a hydroxylated compound having the formula A-ROH and a dialk-1-enyloxy carbonate having the formula ##STR1## wherein R is a polymeric radical selected from the g... | 11/15/1994 |
| 5362789 | Crosslinked terpolymers of high salt tolerance This invention relates to a 1-8% crosslinked terpolymer of alkyl vinyl ether, maleic anhydride and a C10 to C20 alkyl (meth)acrylate in a critical molar ratio of from 1-3:1:0.01-0.08, which polymer has a pH of from about 4 to about 1... | 11/08/1994 |
| 5362698 | Free radical initiator delivery system This invention relates to a process for preparing an improved polymerization free radical initiator delivery system for the polymerization of a monomer containing olefinic unsaturation which comprises uniformly dispersing a water insoluble free radical in... | 11/08/1994 |
| 5362796 | Molded crosslinked vinyl lactam polymer gel and method of preparation This invention relates to a moldable crosslinked vinyl lactam polymer composition and to a transparent, formed gel product obtained therefrom having desired flexibility coupled with high mechanical strength and dimensional and thermal stability. The inven... | 11/08/1994 |
| 5358978 | Alkenyl ether polycarbonates This invention relates to alkenyl ether polycarbonates having the formula ##STR1## wherein A is selected from the group consisting of lower alkyl and R'HC.dbd.CHOR--, R and R" are each independently a divalent radical having from 2 to 20 carbon atoms... | 10/25/1994 |
| 5354823 | Films and extrusions of cured crosslinked vinyl lactam polymer and method of preparation This invention relates to a continuous film, coating, membrane or extruded filament of a crosslinked vinyl lactam polymer having excellent substrate adhesion, a glass transition temperature (Tg) above 150° C. and water repellent properties. The invention... | 10/11/1994 |
| 5342860 | Radiation curable alk-1-enyl ether polyester prepolymers This invention relates to alk-1-enyl ether-polyester block prepolymers which are curable by cationically initiated radiation and which are defined by the formula ##STR1## wherein m has a value of from 1 to 25; A is C2 to C12 alk... | 08/30/1994 |
| 5336697 | Molded cellular crosslinked vinyl lactam polymer gel and method of preparation This invention relates to a foamed, cellular crosslinked vinyl lactam polymer and to a formed rigid product obtained therefrom having dimensional stability and a high Tg above 150° C. The invention also relates to the method of preparing said molded cell... | 08/09/1994 |
| 5334331 | Method of activating N-methyl-2-pyrrolidone (NMP) varnish and paint remover solvents for removal of organic coatings This invention is directed to an environmentally safe, water soluble stripping composition comprising between about 30 and about 98.5 wt. % N-methylpyrrolidone or a 10/90 to 90/10 mixture of N-methylpyrrolidone and gamma-butyrolactone and between about 0.... | 08/02/1994 |
| 5334772 | Polyalk-1-enyl ethers This invention relates to the polyalk-1-enyl ethers having the formula ##STR1## which is the reaction product of a hydroxylated compound and an alk-1-enyloxy oxirane and to the process for preparing the polyalk-1-enyl ether product.... | 08/02/1994 |
| 5329021 | Process for the production of pure vinyl pyrrolidone This invention relates to a process for the purification of a crude liquid N-vinylpyrrolidone product which comprises (I) product rectification by (a) subjecting said crude product containing at least 0.3 weight % of impurities to a temperature of between... | 07/12/1994 |
| 5322898 | Alkyl vinyl ether polymers containing a lactam functionality The invention relates to polymers containing units of the structure ##STR1## or mixtures of A with more than one of B, B-1 and B-2; wherein R and R1 are each independently C1 to C18 alkyl; R2 is oxygen, sulfur o... | 06/21/1994 |
| 5319041 | Process for the preparation of vinylpyrrolidone/vinyl acetate copolymers This invention relates to an improved process for producing a clear solution of vinylpyrrolidone (VP) and vinyl acetate (VA) monomers which comprises, in an anhydrous system, (a) reacting a C2 to C3 alcoholic solution containing said VA ... | 06/07/1994 |
| 5314929 | Rapidly curable vinyl ether release coatings The present invention relates to a rapidly curable, silicone-free release coating composition comprising (a) between about 50 and about 95 wt. % of a vinyl ether having the formula Cn H2n+1 O--CH.dbd.CH2 wherein n has a va... | 05/24/1994 |
| 5298534 | Denture adhesive This invention relates to an improved adhesive composition having extended holding power accompanied by adhesion building properties during use and having increased gel adhesion, which composition consists essentially of (a) from about 10 to about 35 wt. ... | 03/29/1994 |
| 5286764 | High load polymer pastes as a denture adhesive This invention relates to a process of preparing a high polymer load dispersion of an innocuous adhesive polymeric resin in an oil base containing between 0.01 and about 5 wt. % of a non-toxic, food grade surfactant and to coating and affixing a denture m... | 02/15/1994 |
| 5283228 | Leaching inhibition of crop treating chemicals with amino containing polymers This invention relates to inhibiting leaching of crop treating chemicals into the ground water, aqua-system and surrounding soil of the treatment site by contacting the plant or plant site with an effective leach inhibiting, plant tolerating amount of a p... | 02/01/1994 |
| 5280049 | Molded cellular crosslinked vinyl lactam polymer gel and method of preparation This invention relates to a foamed, cellular crosslinked vinyl lactam polymer and to a formed rigid product obtained therefrom having dimensional stability and a high Tg above 150° C. The invention also relates to the method of preparing said molded cell... | 01/18/1994 |
| 5276174 | Alk-1-enyloxy carbonates This invention relates to radiation curable alk-1-enyloxy carbonate reaction products of a polyhydroxylated compound having the formula ROH and a dialk-1-enyloxy carbonate having the formula ##STR1## wherein R is a C3 to C50 sat... | 01/04/1994 |
| 5274148 | Dialky alkoxy phenyl sulfonium salt cationic initiators This invention relates to C14 to C20 alkoxy monophenyl sulfonium salt initiators having the formula ##STR1## wherein R is C14 to C20 alkyl; R1 and R2 are each independently C4 | 12/28/1993 |
| 5268117 | Non-flammable, pseudo-plastic deicing composition This invention relates to a glycol based anti-icing fluid containing between about 0.05 and about 5.0 wt. % of 0.2 to 1.0% crosslinked poly(N-vinyl pyrrolidone).... | 12/07/1993 |
| 5268116 | Non-flammable, pseudo-plastic deicing composition This invention relates to a glycol based anti-icing fluid containing between about 0.05 and about 2 wt. % of 1.5 to 5% crosslinked maleic anhydride/methyl vinyl ether copolymer and between about 0.01 and about 2 wt. % base to provide a pH of from about 6.... | 12/07/1993 |
| 5266624 | High load polymer pastes as pharmaceutical adhesives A high load ostial or odontologic adhesive composition containing a dispersion of an innocuous adhesive polymer in an oil base and between 0.01 and 5 wt. % of a hydrolyzable phospholipid, sufficient to form a paste or gel having high cohesive strength and... | 11/30/1993 |
| 5262449 | Radiation curable coating compositions This invention relates to a coating composition which can be cured by exposure to radiation energy in the presence of a cationic photoinitiator. The composition comprises a mixture of between about 1 and about 75 wt. % of a reactive vinyl or alk-1-enyl et... | 11/16/1993 |
| 5254710 | Alkenyl ether polycarbonates This invention relates to alkenyl ether polycarbonates having the formula ##STR1## wherein A is selected from the group consisting of lower alkyl and R'HC.dbd.CHOR--; R and R" are each independently a divalent radical having from 2 to 20 carbon atoms... | 10/19/1993 |