NL198266A - - Google Patents
Info
- Publication number
- NL198266A NL198266A NL198266DA NL198266A NL 198266 A NL198266 A NL 198266A NL 198266D A NL198266D A NL 198266DA NL 198266 A NL198266 A NL 198266A
- Authority
- NL
- Netherlands
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/20—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds unconjugated
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B63/00—Lakes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/006—Preparation of organic pigments
- C09B67/0061—Preparation of organic pigments by grinding a dyed resin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D157/00—Coating compositions based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Paper (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US462611A US3190850A (en) | 1954-10-15 | 1954-10-15 | Vinylic filler pigments |
US41658564A | 1964-12-07 | 1964-12-07 | |
US46609865A | 1965-06-22 | 1965-06-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL198266A true NL198266A (sv) | 1900-01-01 |
Family
ID=27411103
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL198266D NL198266A (sv) | 1954-10-15 | ||
NL196245D NL196245A (sv) | 1954-10-15 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL196245D NL196245A (sv) | 1954-10-15 |
Country Status (7)
Country | Link |
---|---|
US (3) | US3190850A (sv) |
BE (1) | BE542068A (sv) |
CH (1) | CH349071A (sv) |
DE (1) | DE1061934B (sv) |
FR (1) | FR1144575A (sv) |
GB (1) | GB820207A (sv) |
NL (2) | NL196245A (sv) |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL198266A (sv) * | 1954-10-15 | 1900-01-01 | ||
NL300468A (sv) * | 1962-11-24 | |||
DE1285444B (de) * | 1963-03-21 | 1968-12-19 | Basf Ag | Verfahren zum gleichzeitigen Faerben und Veredeln von Leder |
GB1037990A (en) * | 1963-12-17 | 1966-08-03 | Du Pont | Improvements in or relating to the dyeing of polymeric fibres and new basic azo and anthraquinone dye complex salts therefor |
US3503087A (en) * | 1964-04-10 | 1970-03-31 | Basf Ag | Marking fibrous material |
US3331655A (en) * | 1964-06-22 | 1967-07-18 | Celanese Corp | Sulfurized phenol treatment of basic dyed vinylidene cyanide copolymer fibers and fiber therefrom |
US3471439A (en) * | 1966-03-10 | 1969-10-07 | Amicon Corp | Reinforcing filler |
US3532665A (en) * | 1966-11-16 | 1970-10-06 | Allied Chem | Sulfurized decacyclene pigment |
US3511704A (en) * | 1967-03-08 | 1970-05-12 | Viscose Suisse Soc | Electrically conductive flock for electrostatic flocking |
US3660218A (en) * | 1968-10-15 | 1972-05-02 | Nat Patent Dev Corp | Hydrophilic polymer containing synthetic leather |
US3673147A (en) * | 1970-04-27 | 1972-06-27 | Allied Chem | Method of preparing delustered filaments and fibers |
US4145380A (en) * | 1970-07-17 | 1979-03-20 | Rohm And Haas Company | Vinyl halide polymer impact modifiers |
US3971835A (en) * | 1970-07-17 | 1976-07-27 | Rohm And Haas Company | Vinyl halide polymer impact modifiers |
US3779924A (en) * | 1971-04-01 | 1973-12-18 | Eastman Kodak Co | Process for preparing electrophotographic liquid developing compositions |
US3849165A (en) * | 1971-06-03 | 1974-11-19 | Eastman Kodak Co | Liquid electrographic development process |
US3960591A (en) * | 1971-09-28 | 1976-06-01 | Hoechst Aktiengesellschaft | Process for the preparation of pigment compositions for the dope dyeing of polyacrylonitrile |
US3972963A (en) * | 1973-06-20 | 1976-08-03 | Mobil Oil Corporation | Organic reinforcing fillers for rubber |
US3954397A (en) * | 1973-07-16 | 1976-05-04 | Rohm And Haas Company | Method for preparing dye solutions |
USRE31072E (en) * | 1973-07-18 | 1982-11-02 | Eastman Kodak Company | Electrographic developing composition and process |
US3938992A (en) * | 1973-07-18 | 1976-02-17 | Eastman Kodak Company | Electrographic developing composition and process using a fusible, crosslinked binder polymer |
US3883614A (en) * | 1973-07-25 | 1975-05-13 | Dart Ind Inc | ABS/vinyl acetate polymer blends |
US3920855A (en) * | 1973-11-30 | 1975-11-18 | Dynapol Corp | Food containing non-toxic food coloring compositions and a process therefor |
US4000118A (en) * | 1973-11-30 | 1976-12-28 | Dawson Daniel J | Colorings |
US4016133A (en) * | 1974-03-18 | 1977-04-05 | Sinloihi Co. | Fluorescent colored resin particles and process for preparation thereof |
US4070296A (en) * | 1974-08-26 | 1978-01-24 | Xerox Corporation | Triboelectrically controlled covalently dyed toner materials |
DE2447658A1 (de) * | 1974-10-05 | 1976-04-15 | Basf Ag | Dioxathiazol-2-oxid-gruppen enthaltende polymerisate |
US4108812A (en) * | 1974-12-05 | 1978-08-22 | Sandoz Ltd. | Aqueous printing inks |
US4154621A (en) * | 1976-08-06 | 1979-05-15 | Marion Darrah | Intrachromoleucospheruloid pigment compositions and processes for producing the same |
US4132562A (en) * | 1976-08-06 | 1979-01-02 | Marion Darrah And Joseph Y. Houghton, Co-Trustees | Intrachromospheruloid/inorganic pigment compositions and processes for producing same |
US4169737A (en) * | 1976-08-06 | 1979-10-02 | Marion Darrah And Joseph Y. Houghton, Co-Trustees | Intrachromospheruloid/intraleuco-spheruloid pigment compositions and processes for producing same |
US4132561A (en) * | 1976-08-06 | 1979-01-02 | Marion Darrah | Intrachromospheruloid pigments and processes for producing same |
US4107126A (en) * | 1976-08-06 | 1978-08-15 | Marion Darrah | Vinylic filler pigments and processes for producing same |
US4194920A (en) * | 1976-08-06 | 1980-03-25 | Marion Darrah | Intrachromoleucospheruloid pigment compositions and processes for producing same |
US4107132A (en) * | 1976-08-06 | 1978-08-15 | Marion Darrah | Vinylic filler products and processes for producing same |
US4132564A (en) * | 1976-08-06 | 1979-01-02 | Marion Darrah | Intraleucospheruloid pigments and processes for producing same |
US4132563A (en) * | 1976-08-06 | 1979-01-02 | Marion Darrah | Intraleucospheruloid/organic color pigment compositions and processes for producing same |
US4326008A (en) * | 1976-08-27 | 1982-04-20 | California Institute Of Technology | Protein specific fluorescent microspheres for labelling a protein |
US4128685A (en) * | 1976-12-06 | 1978-12-05 | Minnesota Mining And Manufacturing Company | Skivable billet and products |
DE2736205A1 (de) * | 1977-08-11 | 1979-02-22 | Hoechst Ag | Wasserdampfaufnahmefaehiges und wasserdampfdurchlaessiges flaechengebilde aus kautschuk und ein verfahren zu seiner herstellung |
US4194877A (en) * | 1977-11-28 | 1980-03-25 | United States Of America | Dye-containing polymer composition |
DE3020854A1 (de) * | 1980-06-02 | 1981-12-10 | Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München | Fuellstoff fuer papier, karton oder pappe |
US4520158A (en) * | 1984-08-06 | 1985-05-28 | Exxon Research & Engineering Co. | Nonaqueous solvent soluble polyampholytes-viscosifier and shear thickening additive |
US4522960A (en) * | 1984-08-06 | 1985-06-11 | Exxon Research & Engineering Co. | Controlled gelation on nonaqueous solutions containing low charge density polyampholytes |
GB2167398B (en) * | 1984-11-08 | 1989-06-01 | Chemical Discoveries Sa | Supplemented polymeric substance for use in growing media |
US4575530A (en) * | 1985-04-08 | 1986-03-11 | Exxon Research And Engineering Co. | Multifunctional polymeric additive |
US4640945A (en) * | 1985-11-12 | 1987-02-03 | Exxon Research And Engineering Company | Drag reduction with novel hydrocarbon soluble polyampholytes |
US5145908A (en) * | 1988-02-22 | 1992-09-08 | Martin Marietta Energy Systems, Inc. | Method for molding ceramic powders using a water-based gel casting process |
US5028362A (en) * | 1988-06-17 | 1991-07-02 | Martin Marietta Energy Systems, Inc. | Method for molding ceramic powders using a water-based gel casting |
GB2248841A (en) * | 1990-10-17 | 1992-04-22 | Aei Cables Ltd | Coloured polymeric material |
US5476622A (en) * | 1992-06-12 | 1995-12-19 | Martin Marietta Energy Systems, Inc. | Method and apparatus for making articles from particle based materials |
US5362812A (en) * | 1993-04-23 | 1994-11-08 | Minnesota Mining And Manufacturing Company | Reactive polymeric dyes |
US5401445A (en) * | 1993-06-25 | 1995-03-28 | Martin Marietta Energy Systems, Inc. | Fluid casting of particle-based articles |
US5419860A (en) * | 1993-06-25 | 1995-05-30 | Martin Marietta Energy Systems, Inc. | Casting of particle-based hollow shapes |
GB9417172D0 (en) * | 1994-08-25 | 1994-10-12 | Sandoz Ltd | Improvements in or relating to organic compounds |
US6538056B1 (en) | 2000-10-10 | 2003-03-25 | Clariant International Ltd. | Polyolefin articles with long-term elevated temperature stability |
DE10248332A1 (de) * | 2002-10-17 | 2004-04-29 | Kalle Gmbh & Co. Kg | Nahtloser Folienschlauch, Verfahren und Vorrichtung zur Herstellung eines nahtlosen Folienschlauches |
US20070089849A1 (en) * | 2005-10-24 | 2007-04-26 | Mcnulty Thomas | Ceramic molds for manufacturing metal casting and methods of manufacturing thereof |
FR2903416B1 (fr) * | 2006-07-06 | 2008-09-05 | Michelin Soc Tech | Composition elastomerique renforcee d'une charge de polymere vinylique non aromatique fonctionnalise |
BR112014026360A2 (pt) | 2012-04-23 | 2017-06-27 | Gen Electric | aerofólio de turbina e pá de turbina |
US11589650B2 (en) * | 2017-08-04 | 2023-02-28 | Stefanie Miller Kwiatkowski | Slip resistant shoe |
CN112831147A (zh) * | 2019-11-22 | 2021-05-25 | 北京服装学院 | 一种变色颗粒及其制备方法 |
CN117101598B (zh) * | 2023-10-24 | 2024-03-15 | 南昌航空大学 | 一种钼基吸附材料的制备方法及其产品和应用 |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR965434A (sv) * | 1950-09-12 | |||
GB593072A (sv) * | ||||
CA389188A (en) * | 1940-06-04 | Society Of Chemical Industry In Basle | Pigment | |
BE497394A (sv) * | ||||
DE1025C (de) * | 1877-10-26 | W. BlRCH in Salford, England | Ausdrücke- oder Ringemaschine für Gewebe | |
DE198470C (sv) * | 1907-02-01 | 1908-05-20 | ||
DE427870C (de) * | 1924-10-02 | 1926-04-21 | J G Farbenindustrie Akt Ges | Verfahren zur Gewinnung von fein verteilten trockenen Pigmentfarbstoffen |
CH147462A (de) * | 1929-02-07 | 1931-06-15 | Ig Farbenindustrie Ag | Verfahren zur Herstellung von Produkten, welche Pigmente hohen Dispersitätsgrades enthalten. |
CH178229A (de) * | 1933-03-27 | 1935-07-15 | Chem Ind Basel | Farbstoffpräparat. |
DE648152C (de) * | 1934-02-02 | 1938-02-18 | Geigy Ag J R | Verfahren zur Herstellung gefaerbter Lacke |
US2067234A (en) * | 1936-03-10 | 1937-01-12 | Du Pont | Pigmented granular polymers |
CH196354A (de) * | 1936-12-16 | 1938-03-15 | Chem Ind Basel | Verfahren zur Herstellung eines Pigmentes. |
FR837302A (fr) * | 1937-10-21 | 1939-02-08 | Optique Soc Gen | Produit luminescent |
US2204743A (en) * | 1938-04-15 | 1940-06-18 | Carbide & Carbon Chem Corp | Vinyl resin plastic compositions |
US2310943A (en) * | 1938-10-05 | 1943-02-16 | Du Pont | Polyvinyl acetals |
DE903733C (de) * | 1940-03-10 | 1954-02-08 | Du Pont | Verfahren zur Herstellung von farblosen oder gefaerbten Pigmenten aus polymerem, organischem Material |
DE746082C (de) * | 1941-01-17 | 1944-06-03 | Ig Farbenindustrie Ag | Verfahren zur Herstellung von fein verteilten Kunststoffen |
US2321048A (en) * | 1941-09-12 | 1943-06-08 | Du Pont | Opalescent synthetic resins |
BE448974A (sv) * | 1942-02-13 | |||
GB582019A (en) * | 1944-05-13 | 1946-11-01 | Calico Printers Ass Ltd | Improvements relating to the manufacture of organic pigments and moulding powders |
US2668803A (en) * | 1944-05-13 | 1954-02-09 | Calico Printers Ass Ltd | Manufacture of polyvinyl aromatic acetals and pigments therefrom |
US2614093A (en) * | 1946-05-23 | 1952-10-14 | Goodrich Co B F | Preparation of synthetic polymeric materials |
US2614089A (en) * | 1946-05-23 | 1952-10-14 | Goodrich Co B F | Preparation of synthetic polymeric materials |
US2643987A (en) * | 1946-05-23 | 1953-06-30 | Goodrich Co B F | Preparation of mixtures of rubbery butadiene styrene copolymer with hard resinous saturated copolymer of styrene and another unsaturated compound |
US2610167A (en) * | 1946-12-07 | 1952-09-09 | Grotenhuis Theodore A Te | Pigmented silicone elastomers |
NL68682C (sv) * | 1947-04-17 | |||
US2511113A (en) * | 1947-05-16 | 1950-06-13 | Stein Hall & Co Inc | Pigment binders |
US2600024A (en) * | 1950-05-04 | 1952-06-10 | Us Rubber Co | Elastomer product |
CH288969A (de) * | 1950-06-26 | 1953-02-15 | Ciba Geigy | Verfahren zur Herstellung von Pigmentpräparaten. |
DE873294C (de) * | 1951-03-29 | 1953-04-13 | Auergesellschaft Ag | Verfahren zur Herstellung organischer, pigmentartiger Leuchtfarben |
FR1074727A (fr) * | 1952-01-10 | 1954-10-07 | American Cyanamid Co | Perfectionnements aux pigments photoluminescents |
US2755270A (en) * | 1952-10-21 | 1956-07-17 | Firestone Tire & Rubber Co | Compositions of styrene resins, butadiene rubbers and graft copolymers of styrenes of butadiene rubbers |
GB799043A (en) * | 1953-09-08 | 1958-07-30 | Oliver Wallis Burke Jr | Improvement in vinylic fillers and the reinforcement of elastic and plastic materials therewith |
NL198266A (sv) * | 1954-10-15 | 1900-01-01 |
-
0
- NL NL198266D patent/NL198266A/xx unknown
- NL NL196245D patent/NL196245A/xx unknown
-
1954
- 1954-09-07 FR FR1144575D patent/FR1144575A/fr not_active Expired
- 1954-10-15 US US462611A patent/US3190850A/en not_active Expired - Lifetime
-
1955
- 1955-08-04 CH CH349071D patent/CH349071A/de unknown
- 1955-08-31 GB GB24968/55A patent/GB820207A/en not_active Expired
- 1955-10-10 DE DEB37473A patent/DE1061934B/de active Pending
- 1955-10-14 BE BE542068D patent/BE542068A/xx unknown
-
1964
- 1964-12-07 US US416585A patent/US3520838A/en not_active Expired - Lifetime
-
1965
- 1965-06-22 US US466098A patent/US3423358A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH349071A (de) | 1960-09-30 |
GB820207A (en) | 1959-09-16 |
US3423358A (en) | 1969-01-21 |
FR1144575A (fr) | 1957-10-15 |
BE542068A (sv) | 1959-08-28 |
DE1061934B (de) | 1959-07-23 |
US3520838A (en) | 1970-07-21 |
NL196245A (sv) | 1900-01-01 |
US3190850A (en) | 1965-06-22 |