USB378760I5 - - Google Patents
Info
- Publication number
- USB378760I5 USB378760I5 US37876073A USB378760I5 US B378760 I5 USB378760 I5 US B378760I5 US 37876073 A US37876073 A US 37876073A US B378760 I5 USB378760 I5 US B378760I5
- Authority
- US
- United States
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/08—Heat resistant; Fire retardant
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/76—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from other polycondensation products
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/39—Aldehyde resins; Ketone resins; Polyacetals
- D06M15/41—Phenol-aldehyde or phenol-ketone resins
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/92—Fire or heat protection feature
- Y10S428/921—Fire or flameproofing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S57/00—Textiles: spinning, twisting, and twining
- Y10S57/907—Foamed and/or fibrillated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3976—Including strand which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous composition, water solubility, heat shrinkability, etc.]
- Y10T442/3984—Strand is other than glass and is heat or fire resistant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/40—Knit fabric [i.e., knit strand or strip material]
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/378,760 US4001477A (en) | 1971-01-18 | 1973-07-12 | Flame resistant cloth |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10748471A | 1971-01-18 | 1971-01-18 | |
US05/378,760 US4001477A (en) | 1971-01-18 | 1973-07-12 | Flame resistant cloth |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10748471A Continuation | 1971-01-18 | 1971-01-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
USB378760I5 true USB378760I5 (en) | 1976-03-09 |
US4001477A US4001477A (en) | 1977-01-04 |
Family
ID=26804827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US05/378,760 Expired - Lifetime US4001477A (en) | 1971-01-18 | 1973-07-12 | Flame resistant cloth |
Country Status (1)
Country | Link |
---|---|
US (1) | US4001477A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4040371A (en) | 1976-03-29 | 1977-08-09 | E. I. Du Pont De Nemours And Company | Polysiloxane coated polyester fibers blended with other fibers to obtain fibrous mass having more acceptable flame resistance than a mass of unblended polysiloxane coated fibers |
US4120914A (en) | 1977-02-04 | 1978-10-17 | E. I. Du Pont De Nemours And Company | Aromatic polyamide fiber blend for protective clothing |
US4199642A (en) | 1966-03-29 | 1980-04-22 | E. I. Du Pont De Nemours And Company | Low flame-response polyester fiberfill blends |
EP0296988A1 (en) * | 1987-06-26 | 1988-12-28 | Taraflex | Open work fabric with a fire-proof layer |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1586766A (en) * | 1976-09-02 | 1981-03-25 | Iws Nominee Co Ltd | Protective fabrics |
US4143197A (en) * | 1977-05-11 | 1979-03-06 | J. P. Stevens & Co., Inc. | Aramid yarn fabrics and method of dimensional stabilization of same by heat setting |
US4257221A (en) * | 1977-11-21 | 1981-03-24 | Feinberg Arthur L | Fire resistant fiber blend |
US4365655A (en) * | 1979-09-14 | 1982-12-28 | Feinberg Arthur L | Flame retardant woven fabrics |
US4282011A (en) * | 1980-05-30 | 1981-08-04 | Dan River Incorporated | Woven fabrics containing glass fibers and abrasive belts made from same |
JPS5777336A (en) * | 1980-10-27 | 1982-05-14 | Hitachi Ltd | Composite fiber product |
FR2497239A1 (en) | 1980-12-31 | 1982-07-02 | Valeo | YARNS AND OTHER GLASS FIBER PRODUCTS AND METHOD FOR THE PRODUCTION THEREOF |
FR2536637A1 (en) * | 1982-11-26 | 1984-06-01 | Equip Protection Indle | Non-flammable washable fabric for working and protective clothing |
GB2141451B (en) * | 1983-06-14 | 1986-10-29 | British Replin Ltd | Flame-resistant fabrics |
GB8530382D0 (en) * | 1985-12-10 | 1986-01-22 | Nijverdal Ten Cate Textiel | Flame protective clothing materials |
DE3544993C1 (en) * | 1985-12-19 | 1987-01-02 | Bertelsmann & Niemann | Flame retardant cover fabric |
US4748996A (en) * | 1987-02-06 | 1988-06-07 | J. B. Martin Company | Woven multilayered textile fabrics and attendant method of making |
EP0344103A1 (en) * | 1988-05-25 | 1989-11-29 | Quikoton Ag | Pile fabric |
US4996099A (en) * | 1989-10-27 | 1991-02-26 | Springs Industries, Inc. | Fire-resistant fabric |
US5912196A (en) * | 1995-12-20 | 1999-06-15 | Kimberly-Clark Corp. | Flame inhibitor composition and method of application |
US5824614A (en) * | 1997-04-24 | 1998-10-20 | Basf Corporation | Articles having a chambray appearance and process for making them |
US5830574A (en) * | 1997-04-24 | 1998-11-03 | Basf Corporation | Dyeing articles composed of melamine fiber and cellulose fiber |
US5849648A (en) | 1997-04-24 | 1998-12-15 | Basf Corporation | Comfort melamine fabrics and process for making them |
DE29805867U1 (en) * | 1998-03-31 | 1999-08-26 | Boco Gmbh & Co | Fabrics for work clothing |
DE19834495A1 (en) * | 1998-07-31 | 2000-03-02 | Mewa Textil Service Ag & Co Man Ohg | Textile fabrics |
US6200355B1 (en) | 1999-12-21 | 2001-03-13 | Basf Corporation | Methods for deep shade dyeing of textile articles containing melamine fibers |
US6706650B2 (en) | 2001-05-09 | 2004-03-16 | Glen Raven, Inc. | Flame-resistant and high visibility fabric and apparel formed therefrom |
US6787228B2 (en) * | 2001-05-09 | 2004-09-07 | Glen Raven, Inc. | Flame-resistant and high visibility fabric and apparel formed therefrom |
US7419922B2 (en) * | 2001-05-09 | 2008-09-02 | Gibson Richard M | Flame-resistant, high visibility, anti-static fabric and apparel formed therefrom |
US6946412B2 (en) * | 2001-05-09 | 2005-09-20 | Glen Raven, Inc. | Flame-resistant, high visibility, anti-static fabric and apparel formed therefrom |
ITVI20030037A1 (en) * | 2003-02-25 | 2004-08-26 | Q2 Roma Srl | HIGH FIREPROOF PROPERTIES FABRIC. |
US20050183243A1 (en) * | 2003-07-13 | 2005-08-25 | Tinker Larry C. | Fibrillation of natural fiber |
US20060162879A1 (en) * | 2003-07-13 | 2006-07-27 | Tinker Larry C | Compounding of fibrillated fiber |
DE102004015138A1 (en) * | 2004-03-27 | 2005-10-27 | Mewa Textil-Service Ag & Co. Management Ohg | tissue |
CA2579178A1 (en) * | 2004-09-07 | 2006-03-16 | Mckinnon Land, Llc | Knit tube flame resistant barriers |
JP5155541B2 (en) * | 2006-09-22 | 2013-03-06 | 富士フイルム株式会社 | Method for manufacturing insulating film forming composition, insulating film forming composition manufactured by the manufacturing method, insulating film, and electronic device |
IT1390963B1 (en) * | 2008-07-24 | 2011-10-27 | Roberto Fantino | LAYERED PRODUCT WITH HIGH CAPACITY OF THERMAL INSULATION AND SELF-EXTINGUISHING. |
US8932965B1 (en) | 2008-07-30 | 2015-01-13 | International Textile Group, Inc. | Camouflage pattern with extended infrared reflectance separation |
US10433593B1 (en) | 2009-08-21 | 2019-10-08 | Elevate Textiles, Inc. | Flame resistant fabric and garment |
US8209785B2 (en) | 2010-02-09 | 2012-07-03 | International Textile Group, Inc. | Flame resistant fabric made from a fiber blend |
US8793814B1 (en) | 2010-02-09 | 2014-08-05 | International Textile Group, Inc. | Flame resistant fabric made from a fiber blend |
US9706804B1 (en) | 2011-07-26 | 2017-07-18 | Milliken & Company | Flame resistant fabric having intermingled flame resistant yarns |
CN103774312A (en) * | 2014-02-18 | 2014-05-07 | 南通双弘纺织有限公司 | Blended yarn containing polyester, viscose fiber and jade fiber |
Citations (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1309581A (en) * | 1919-07-08 | Howard w | ||
US2186917A (en) * | 1934-01-11 | 1940-01-09 | Standard Oil Dev Co | Fluorinated compound and method of producing same |
US2217049A (en) * | 1938-04-13 | 1940-10-08 | Rockbestos Products Corp | Reinforced asbestos sliver |
FR860045A (en) * | 1938-09-03 | 1941-01-04 | Saint Gobain | Method and apparatus for the production of filaments of thermoplastic materials |
US2312296A (en) * | 1927-12-23 | 1943-02-23 | Heresite & Chemical Company | Method of forming coated product |
US2378667A (en) * | 1944-04-03 | 1945-06-19 | Du Pont | Phenol-formaldehyde resin and polyamide composition |
US2535373A (en) * | 1944-11-08 | 1950-12-26 | American Viscose Corp | Molded objects |
US2543101A (en) * | 1944-07-20 | 1951-02-27 | American Viscose Corp | Composite fibrous products and method of making them |
US2782174A (en) * | 1952-10-08 | 1957-02-19 | Kellogg M W Co | Dispersions of perfluorocarbon polymers |
US2833681A (en) * | 1956-08-23 | 1958-05-06 | Hooker Electrochemical Co | Epoxy resins cured with a fluorinecontaining anhydride |
US2939200A (en) * | 1953-05-15 | 1960-06-07 | British Celanese | Fabric woven from coated yarns |
US3027222A (en) * | 1957-09-03 | 1962-03-27 | Du Pont | Fireproof acrylonitrile copolymers |
US3090103A (en) * | 1957-10-24 | 1963-05-21 | Carborundum Co | Heat resistant fibrous products containing ceramic fibers and method of making the same |
US3366001A (en) * | 1964-12-11 | 1968-01-30 | Johns Manville | High strength-high temperature yarn |
US3507608A (en) * | 1966-02-11 | 1970-04-21 | Us Navy | Thermal stability of textile fibers |
US3540452A (en) * | 1968-02-28 | 1970-11-17 | Dow Chemical Co | Suture |
US3549474A (en) * | 1968-03-25 | 1970-12-22 | Monsanto Co | Fire-retardant insulation construction |
US3628995A (en) * | 1968-10-03 | 1971-12-21 | Carborundum Co | Flame resistant cloth |
US3650102A (en) * | 1968-03-04 | 1972-03-21 | Carborundum Co | Fibers from novolacs |
US3651199A (en) * | 1969-04-03 | 1972-03-21 | Du Pont | Process for producing phenol-aldehyde resin fibers |
US3700544A (en) * | 1965-07-29 | 1972-10-24 | Kanegafuchi Spinning Co Ltd | Composite sheath-core filaments having improved flexural rigidity |
US3716521A (en) * | 1971-03-31 | 1973-02-13 | Carborundum Co | Etherified or esterified phenolic resin fibers and production thereof |
US3723588A (en) * | 1968-03-04 | 1973-03-27 | Carborundum Co | Method for production of novolac fibers |
US3808289A (en) * | 1972-09-13 | 1974-04-30 | Teijin Ltd | Novel flame-resistant fibers and method of producing the same |
US3848044A (en) * | 1970-10-02 | 1974-11-12 | Toray Industries | Cured phenol-formaldehyde fibers and method for the production thereof |
-
1973
- 1973-07-12 US US05/378,760 patent/US4001477A/en not_active Expired - Lifetime
Patent Citations (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1309581A (en) * | 1919-07-08 | Howard w | ||
US2312296A (en) * | 1927-12-23 | 1943-02-23 | Heresite & Chemical Company | Method of forming coated product |
US2186917A (en) * | 1934-01-11 | 1940-01-09 | Standard Oil Dev Co | Fluorinated compound and method of producing same |
US2217049A (en) * | 1938-04-13 | 1940-10-08 | Rockbestos Products Corp | Reinforced asbestos sliver |
FR860045A (en) * | 1938-09-03 | 1941-01-04 | Saint Gobain | Method and apparatus for the production of filaments of thermoplastic materials |
US2378667A (en) * | 1944-04-03 | 1945-06-19 | Du Pont | Phenol-formaldehyde resin and polyamide composition |
US2543101A (en) * | 1944-07-20 | 1951-02-27 | American Viscose Corp | Composite fibrous products and method of making them |
US2535373A (en) * | 1944-11-08 | 1950-12-26 | American Viscose Corp | Molded objects |
US2782174A (en) * | 1952-10-08 | 1957-02-19 | Kellogg M W Co | Dispersions of perfluorocarbon polymers |
US2939200A (en) * | 1953-05-15 | 1960-06-07 | British Celanese | Fabric woven from coated yarns |
US2833681A (en) * | 1956-08-23 | 1958-05-06 | Hooker Electrochemical Co | Epoxy resins cured with a fluorinecontaining anhydride |
US3027222A (en) * | 1957-09-03 | 1962-03-27 | Du Pont | Fireproof acrylonitrile copolymers |
US3090103A (en) * | 1957-10-24 | 1963-05-21 | Carborundum Co | Heat resistant fibrous products containing ceramic fibers and method of making the same |
US3366001A (en) * | 1964-12-11 | 1968-01-30 | Johns Manville | High strength-high temperature yarn |
US3700544A (en) * | 1965-07-29 | 1972-10-24 | Kanegafuchi Spinning Co Ltd | Composite sheath-core filaments having improved flexural rigidity |
US3507608A (en) * | 1966-02-11 | 1970-04-21 | Us Navy | Thermal stability of textile fibers |
US3540452A (en) * | 1968-02-28 | 1970-11-17 | Dow Chemical Co | Suture |
US3650102A (en) * | 1968-03-04 | 1972-03-21 | Carborundum Co | Fibers from novolacs |
US3723588A (en) * | 1968-03-04 | 1973-03-27 | Carborundum Co | Method for production of novolac fibers |
US3549474A (en) * | 1968-03-25 | 1970-12-22 | Monsanto Co | Fire-retardant insulation construction |
US3628995A (en) * | 1968-10-03 | 1971-12-21 | Carborundum Co | Flame resistant cloth |
US3651199A (en) * | 1969-04-03 | 1972-03-21 | Du Pont | Process for producing phenol-aldehyde resin fibers |
US3848044A (en) * | 1970-10-02 | 1974-11-12 | Toray Industries | Cured phenol-formaldehyde fibers and method for the production thereof |
US3716521A (en) * | 1971-03-31 | 1973-02-13 | Carborundum Co | Etherified or esterified phenolic resin fibers and production thereof |
US3808289A (en) * | 1972-09-13 | 1974-04-30 | Teijin Ltd | Novel flame-resistant fibers and method of producing the same |
Non-Patent Citations (3)
Title |
---|
Golding, Polymers and Resins, Van Nostrand Co., (1959), pp. 243-251. * |
Kaswell, Ernest R., Wellington Sears Handbook of Industrial Textiles, (1963), pp. 233 & 234. * |
Pohl, Herbert A., "Reaction Spinning of Fibers,"Textile Research Journal, pp. 473-477, (1958). * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4199642A (en) | 1966-03-29 | 1980-04-22 | E. I. Du Pont De Nemours And Company | Low flame-response polyester fiberfill blends |
US4040371A (en) | 1976-03-29 | 1977-08-09 | E. I. Du Pont De Nemours And Company | Polysiloxane coated polyester fibers blended with other fibers to obtain fibrous mass having more acceptable flame resistance than a mass of unblended polysiloxane coated fibers |
US4120914A (en) | 1977-02-04 | 1978-10-17 | E. I. Du Pont De Nemours And Company | Aromatic polyamide fiber blend for protective clothing |
EP0296988A1 (en) * | 1987-06-26 | 1988-12-28 | Taraflex | Open work fabric with a fire-proof layer |
FR2617205A1 (en) * | 1987-06-26 | 1988-12-30 | Bat Taraflex | FLEXIBLE COATED ETOFFE |
Also Published As
Publication number | Publication date |
---|---|
US4001477A (en) | 1977-01-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: KENNECOTT CORPORATION Free format text: MERGER;ASSIGNORS:BEAR CREEK MINING COMPANY;BEAR TOOTH MINING COMPANY;CARBORUNDUM COMPANY THE;AND OTHERS;REEL/FRAME:003961/0672 Effective date: 19801230 |
|
AS | Assignment |
Owner name: STEMCOR CORPORATION, 200 PUBLIC SQUARE, CLEVELAND, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:KENNECOTT MINING CORPORATION;REEL/FRAME:004815/0091 Effective date: 19870320 Owner name: KENNECOTT MINING CORPORATION Free format text: CHANGE OF NAME;ASSIGNOR:KENNECOTT CORPORATION;REEL/FRAME:004815/0036 Effective date: 19870220 |