Patents by Inventor Karin Naumann
Karin Naumann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 7041612Abstract: The invention describes a lead-free and arsenic-free special short flint glass with a refractive index 1.60?nd?1.65, an Abbe number of 41??d?52, a relative partial dispersion 0.551?PgF?0.570 in the blue spectral region, a relative partial dispersion 0.507?PCs?0.525 in the red spectral region, a negative deviation of the relative partial dispersion from the normal line ?Pg,F??0.0045 and an improved chemical resistance which has the following composition (in % by weight): SiO2 >50–65?? Al2O3 0–7 B2O3 0–6 Li2O 0–6 Na2O ?3–11 K2O 0–6 MgO ?0–12 CaO ?1–12 BaO 0–8 La2O3 ?0–15 Ta2O5 ?0–10 Nb2O5 ?4–20 ZrO2 >10–20?? ?(CaO + MgO + BaO) ?1–25 ?(Na2O + K2O + Li2O) ?3–20 SiO2/(ZrO2 + La2O3 + Nb2O5 + Ta2O5) 1.5–2.3.Type: GrantFiled: June 6, 2003Date of Patent: May 9, 2006Assignee: Schott GlasInventors: Karin Naumann, Uwe Kolberg, Frank-Thomas Lentes
-
Patent number: 6992031Abstract: The invention relates to a method for producing aluminosilicate glass that is devoid of alkali and that has a B2O3 content of between 0 and <5 wt.-% and a BaO content in excess of 5.5 wt.-%. Said method is characterised by the addition of between 0.05 wt.-% and 1.0 wt.-% SnO2 during the preparation of the mixture.Type: GrantFiled: July 12, 2001Date of Patent: January 31, 2006Assignee: Schott GlasInventors: Karin Naumann, Franz Ott, Ralf Diezel, Otmar Becker
-
Patent number: 6989633Abstract: An alkaline-earth aluminosilicate glass having a composition (in % by weight, based on oxide) of SiO2>55-64; Al2O3 13-18; B2O3 0-5.5; M5O 0-7; CaO 5.5-14; SrO 0-8; BaO 6-17; ZrO2 0-2; CeO2 0-0.3; TiO2 0-0.5; CoO 0.01-0.035; Fe2O3 0.005-0.05; and NiO 0-0.Type: GrantFiled: February 3, 2003Date of Patent: January 24, 2006Assignee: Schott AGInventors: Christian Kunert, Karin Naumann, Franz Ott, Ottmar Becker
-
Patent number: 6851280Abstract: The present invention generally relates to a method of making halogen lamps and halogen lamp bulbs, as well as other analogous lamps and objects. The present invention also relates to apparatus used in a method of making halogen lamps and halogen lamp bulbs, as well as other analogous lamps and objects. The method minimizes contamination in the body of the glass and minimizes reaction of lamp halogen with the interior of a halogen lamp.Type: GrantFiled: March 30, 2001Date of Patent: February 8, 2005Assignee: Schott GlasInventors: Franz Ott, Otmar Becker, Karin Naumann
-
Publication number: 20040176237Abstract: The invention relates to a method for producing borosilicate glasses of hydrolytic class 1, consisting of the following steps; preparing the mixture by adding at least one refining agent, insertion of the glass batch, melting the glass and subsequently heat forming the melted glass, whereby 0.01 wt.-%-0.8 wt.-% of one of more sulphates in the form of SO3 are added to the glass mixture.Type: ApplicationFiled: December 9, 2003Publication date: September 9, 2004Inventors: Franz Ott, Christof Kass, Karin Naumann
-
Publication number: 20040033880Abstract: The invention describes a lead-free and arsenic-free special short flint glass with a refractive index 1.60≦nd<1.65, an Abbe number of 41≦&ngr;d<52, a relative partial dispersion 0.551≦PgF<0.570 in the blue spectral region, a relative partial dispersion 0.507≦PCs≦0.525 in the red spectral region, a negative deviation of the relative partial dispersion from the normal line &Dgr; Pg,F≦−0.0045 and an improved chemical resistance which has the following composition (in % by weight): 1 SiO2 >50-65 Al2O3 0-7 B2O3 0-6 Li2O 0-6 Na2O 3-11 K2O 0-6 MgO 0-12 CaO 1-12 BaO 0-8 La2O3 0-15 Ta2O5 0-10 Nb2O5 4-20 ZrO2 >10-20 &Sgr;(CaO + MgO + BaO) 1-25 &Sgr;(Na2O + K2O + Li2O) 3-20 SiO2/(ZrO2 + La2O3 + Nb2O5 + Ta2O5) 1.5-2.Type: ApplicationFiled: June 6, 2003Publication date: February 19, 2004Inventors: Karin Naumann, Uwe Kolberg, Frank-Thomas Lentes
-
Publication number: 20040029702Abstract: The invention relates to a method for producing aluminosilicate glass that is devoid of alkali and that has a B2O3 content of between 0 and <5 wt.-% and a BaO content in excess of 5.5 wt.-%. Said method is characterised by the addition of between 0.05 wt.-% and 1.0 wt.-% SnO2 during the preparation of the mixture.Type: ApplicationFiled: August 8, 2003Publication date: February 12, 2004Inventors: Karin Naumann, Franz Ott, Ralf Diezel, Otmar Becker
-
Publication number: 20040018934Abstract: The process of the invention produces alkali-free aluminosilicate glass having an Al2O3-content of more than 12% by weight with the addition of from 0.005% by weight to 0.6% by weight of sulfate for batch formulation.Type: ApplicationFiled: March 25, 2003Publication date: January 29, 2004Inventors: Franz Ott, Karin Naumann, Otmar Becker, Ralf Diezel
-
Patent number: 6630420Abstract: The silicate glass has a composition (in % by weight, based on oxide) of SiO2, 54-72; Al2O3, 0.5-7; ZrO2, 10-20; B2O3, 0-<5; Na2O, 3-<8; K2O, 0-5; with Na2O+K2O, 2-<8; CaO, 3-11; MgO, 0-10; SrO, 0-8; BaO, 0∝10; with CaO+MgO+SrO+BaO, >5-24; La2O3, 0-5; and TiO2, 0-4. The glass also contains at least 0.6 percent by weight of La2O3 or at least 0.1 percent by weight TiO2. The glass has a hydrolytic resistance in hydrolytic glass 1, an acid resistance in acid class 3 or better, preferably acid class 1, a caustic lye resistance in lye class 1, a glass transition temperature (Tg) of at least 650° C., a thermal expansion coefficient (&agr;20/300) of 4.1×10−6 to 7.4×10−6/K, a refractive index (nd) of 1.53 to 1.63, an Abbé number (&ngr;d) of 48 to 58 and a negative anomalous partial dispersion in a blue spectral region (&Dgr;Pg,F) of up to −0.0130.Type: GrantFiled: January 16, 2002Date of Patent: October 7, 2003Assignee: Schott GlasInventors: Karin Naumann, Norbert Greulich-Hickmann, Uwe Kolberg, Werner Kiefer, Simone Ritter
-
Patent number: 6627569Abstract: The silicate glass has a composition (in % by weight, based on oxide) of SiO2, 54-72; Al2O3, 0.5-7; ZrO2, >10-<18; B2O3, 0-<5; Na2O, 2-<10; K2O1 0-5; with Na2O+K2O, 2-<10; caO, 3-11; MgO, 0-10; SrO, 0-8; BaO, 0-12; with CaO+MgO+SrO+BaO, >5-24; La2O3, 0-6; and TiO2, 0-4. The glass has at least 0.6% by weight of La2O3 or at least 0.1% by weight TiO2. The glass is in hydrolytic glass 1, acid class 3 or better, preferably acid class 1, and lye class 1. It has a glass transition temperature (Tg) of at least 640° C., a thermal expansion coefficient (&agr;20/30O) of 4.1×10−6 to 8.0×10−6/K, a refractive index (nd) of 1.53 to 1.63, an Abbé number (&ngr;d) of 47 to 66 and a negative anomalous partial dispersion in a blue spectral region (&Dgr;Pg,F) of up to −0.0130.Type: GrantFiled: July 5, 2001Date of Patent: September 30, 2003Inventors: Karin Naumann, Norbert Greulich-Hickmann, Uwe Kolberg, Werner Kiefer
-
Publication number: 20030181309Abstract: An alkaline-earth aluminosilicate glass having a composition (in % by weight, based on oxide) of SiO2>55 - 64; Al2O3 13 - 18; B2O3 0 - 5.5; M5O 0 - 7; CaO 5.5 - 14; SrO 0 - 8; BaO 6 - 17; ZrO2 0 - 2; CeO2 0 - 0.3; TiO2 0 - 0.5; CoO 0.01 - 0.035; Fe2O3 0.005 - 0.05; and NiO 0 - 0.Type: ApplicationFiled: February 3, 2003Publication date: September 25, 2003Applicant: SCHOTT GLASInventors: Christian Kunert, Karin Naumann, Franz Ott, Ottmar Becker
-
Patent number: 6403507Abstract: The lead-free bismuth-containing silicate glasses, which are particularly suitable for use as funnel glass or neck glass for cathode ray tubes and as soldering glass, have the following respective compositions (in % by weight, based on oxide): SiO2 40-60; Bi2O3, 10-30; ZrO2, 0-3; Al2O3, 0.5-5; MgO, 0-6; CaO, 0.5-5; SrO, 1-15; BaO, 0-15; sum of the alkaline earth metal oxides, 2-20; ZnO, 0-2; Li2O, 0-10; Na2O, 1-10; K2O, 2-10; Cs2O, 0-3, sum of the alkali metal oxides, 5-20; CeO2, 0-8; WO3, 0.5-5; MoO3, 0-5 and Sb2O3, 0-0.6; and SiO2 30-50; Bi2O3, 20-40; ZrO2, 0-3; Al2O3, 0.5-5; MgO, 0-4; CaO, 0.5-4; SrO, 1-15; BaO, 0-15; sum of the alkaline earth metal oxides, 2-20; ZnO, 0-2; Li2O, 0-5; Na2O, 1-12; K2O, 2-15; Cs2O, 0-3, sum of the alkali metal oxides, 5-20; CeO2, 0-8; WO3, 0.5-5; MoO3, 0-5 and Sb2O3, 0-0.6.Type: GrantFiled: March 28, 2001Date of Patent: June 11, 2002Assignee: Schott GlasInventors: Karin Naumann, Magdalena Winkler-Trudewig, Ute Woelfel, Christian Kunert
-
Patent number: 6373193Abstract: A long life, halogen cycle, incandescent lamp (30) for operation in excess of 85 volts. The lamp comprises a transparent glass envelope (34) having sealed therewithin a tungsten filament (45); a pair of electrical lead-ins (42, 44) connecting the filament and extending exteriorly of the envelope for connection to a supply voltage greater than 100 V; and a fill gas within the envelope, including a halogen, at a pressure of at least three atmospheres. The envelope is constructed of a five component alkaline earth aluminosilicate glass having a composition consisting essentially of, in weight percent from >58 to about 64% SiO2, from about 14 to about 17% Al2O3; from 0 to about 1% B2O3, from 1 to about 6% MgO, from about 6 to about 12% CaO, from about 7 to about 17% BaO and from 0 to about 1.5% ZrO2.Type: GrantFiled: March 8, 2000Date of Patent: April 16, 2002Assignees: Osram Sylvania Inc.Inventors: Richard C. Marlor, Karin Naumann, Franz Ott, Ottmar Becker
-
Publication number: 20010055930Abstract: The present invention generally relates to a method of making halogen lamps and halogen lamp bulbs, as well as other analogous lamps and objects. The present invention also relates to apparatus used in a method of making halogen lamps and halogen lamp bulbs, as well as other analogous lamps and objects. The method minimizes contamination in the body of the glass and minimizes reaction of lamp halogen with the interior of a halogen lamp.Type: ApplicationFiled: March 30, 2001Publication date: December 27, 2001Inventors: Franz Ott, Otmar Becker, Karin Naumann
-
Publication number: 20010046934Abstract: The lead-free bismuth-containing silicate glasses, which are particularly suitable for use as funnel glass or neck glass for cathode ray tubes and as soldering glass, have the following respective compositions (in % by weight, based on oxide): SiO2 40-60; Bi2O3, 10-30; ZrO2, 0-3; Al2O3, 0.5-5; MgO, 0-6; CaO, 0.5-5; SrO, 1-15; BaO, 0-15; sum of the alkaline earth metal oxides, 2-20; ZnO, 0-2; Li2O, 0-10; Na2O, 1-10; K2O, 2-10; Cs2O, 0-3, sum of the alkali metal oxides, 5-20; CeO2, 0-8; WO3, 0.5-5; MoO3, 0-5 and Sb2O3, 0-0.6; and SiO2 30-50; Bi2O3, 20-40; ZrO2, 0-3; Al2O3, 0.5-5; MgO, 0-4; CaO, 0.5-4; SrO, 1-15; BaO, 0-15; sum of the alkaline earth metal oxides, 2-20; ZnO, 0-2; Li2O, 0-5; Na2O, 1-12; K2O, 2-15; Cs2O, 0-3, sum of the alkali metal oxides, 5-20; CeO2, 0-8; WO3, 0.5-5; MoO3, 0-5 and Sb2O3, 0-0.6.Type: ApplicationFiled: March 28, 2001Publication date: November 29, 2001Inventors: Karin Naumann, Magdalena Winkler-Trudewig, Ute Woelfel, Christian Kunert
-
Patent number: 6074969Abstract: The invention relates to an aluminoborosilicate glass containing alkaline earth metals for lamp bulbs which have molybdenum components and bulb temperatures of at most 650.degree. C. The glass has the following composition (in % by weight, based on oxide): SiO.sub.2 59-61; Al.sub.2 O.sub.3 13.5-15.5; B.sub.2 O.sub.3 3-5; MgO 2.3-5; CaO 8.2-0.5; BaO 8.5-9.5; CeO.sub.2 0.03-0.3 where (MgO+CaO)/BaO<1.60; CaO/MgO<4.20 and an alkali metal oxide content of <0.08% by weight and a water content of .ltoreq.0.02% by weight.Type: GrantFiled: October 26, 1998Date of Patent: June 13, 2000Assignee: Schott GlasInventors: Karin Naumann, Franz Ott
-
Patent number: 6069100Abstract: The invention is directed to an aluminosilicate glass containing alkaline earth metals for lamp bulbs which have molybdenum components and bulb temperatures of greater than 650.degree. C. The glass has a composition in percent by weight on oxide basis as follows: SiO.sub.2 >58-62; Al.sub.2 O.sub.3 15-17.5; B.sub.2 O.sub.3 0.2-0.7; MgO 0-<1; CaO 5.5-14; SrO 0-8; BaO 6-10; ZrO 0.05-1.0; CeO.sub.2 0-0.3; TiO.sub.2 0-0.5; Br.sup.- 0-0.6 where .SIGMA. RO 21-24; (MgO+CaO+SrO)/BaO 1.45-1.75; and an alkali metal content of <0.03% by weight and a water content of <0.02% by weight.Type: GrantFiled: October 26, 1998Date of Patent: May 30, 2000Assignee: Schott GlasInventors: Karin Naumann, Franz Ott, Otmar Becker
-
Patent number: 4789649Abstract: Micaceous-cordierite-glass ceramic particularly suitable for stomatological, head surgery and neck surgery applicatiosn has a fracture toughness K.sub.IC of up to 2.0 MPa m.sup.1/2, a hardness HV.sub.0.07 of 300-1000, a compressive strength of up to 450 N/mm.sup.2, a linear thermal expansion coefficient of 75-125.times.10.sup.-7 K.sup.-1, good chemical stability and excellent machinability as well as a high resistance to wear and comprises a composition in weight percentages of______________________________________ SiO.sub.2 43-50 Al.sub.2 O.sub.3 26-30 MgO 11-15 R.sub.2 O 7-10.5 F.sup.- 3.3-4.8 Cl.sup.- 0.01-0.6 CaO 0.1-3 P.sub.2 O.sub.5 0.1-5 ______________________________________wherein R.sub.2 O is the sum of 3 to 5.5 wt. % Na.sub.2 O and 4 to 6 wt. % K.sub.2 O, a first crystal phase of mica, and a second crystal phase of 5 to 30 volume % cordierite, wherein relatively large mica crystals of 10 to 200 .mu.m are embedded in the glass and cordierite crystals of 0.5 to 5 .mu.m are arranged in the glass.Type: GrantFiled: August 8, 1986Date of Patent: December 6, 1988Assignee: Veb Jenaer GlaswerkInventors: Christine Abert, Eggert Beleites, Gunter Carl, Steffen Grosse, Hilmar Gudziol, Wolfram Hoeland, Michael Hopp, Ralf Jacobi, Harry Jungto, Guenther Knak, Lutz Kreisel, Rudolf Musil, Karin Naumann, Frank Vogel, Werner Vogel
-
Patent number: 4731394Abstract: The invention relates to inorganic-organic compound substances useful for biomedical purposes. The object of the invention is to develop inorganic-organic compound materials which overcome the disadvantages of the state of art, wherein inorganic-organic compound substances for biomedical purposes possess to a large extent specifically adjustable characteristics. Inorganic initial substances form a new solid chemical compound with organic initial substances. The inorganic initial component consists of a biocompatible silicate glass and/or a silicate glass ceramic of the system SiO.sub.2 -Al.sub.2 O.sub.3 -MgO-Na.sub.2 O/K.sub.2 O-F.sup.-, and/or a bioactive phosphate silicate glass and/or a phosphate silicate glass ceramic of the system SiO.sub.2 -Al.sub.2 O.sub.3 -MgO-Na.sub.2 O/K.sub.2 O-CaO-P.sub.2 O.sub.5 F.sup.- and/or of the system SiO.sub.2 -MgO-K.sub.2 O-F.sup.- -CaO-P.sub.2 O.sub.5, and/or a bioactive phosphate glass and/or a phosphate glass ceramic of the system P.sub.2 O.sub.5 -Al.sub.2 O.sub.Type: GrantFiled: June 12, 1986Date of Patent: March 15, 1988Assignee: Friedrich-Schiller-Universitaet JenaInventors: Werner Vogel, Guenther Heublein, Wolfram Hoeland, Manfred Boese, Karin Naumann, Gunter Carl, Juergen Vogel, Peter Wange, Jens Gummel, Peter Zinner, Eggert Beleites, Thomas Schubert