Assignee
CHEMIEFASER LENZING AG
AT·173 granted patents·90 pending applications·2,045 citations·filing 1977–2025
Top patents by PatentIndex Score
263 records- 0195US5589125AProcess of and apparatus for making cellulose mouldingsCHEMIEFASER LENZING AG·Filed 1993·Granted Dec 31, 1996·88 cites·11 claims
- 0294US5252284AMethod of producing shaped cellulosic articlesCHEMIEFASER LENZING AG·Filed 1992·Granted Oct 12, 1993·73 cites·7 claims
- 0391US5679146AMoulding materials and spinning materials containing celluloseCHEMIEFASER LENZING AG·Filed 1996·Granted Oct 21, 1997·62 cites·24 claims
- 0489US10883196B2Cellulose fiberCHEMIEFASER LENZING AG·Filed 2014·Granted Jan 5, 2021·5 cites·9 claims
- 0588US10220111B2Highly absorbent polysaccharide fiber and use thereofCHEMIEFASER LENZING AG·Filed 2014·Granted Mar 5, 2019·4 cites·20 claims
- 0688US5409532AAmine-oxidesCHEMIEFASER LENZING AG·Filed 1993·Granted Apr 25, 1995·39 cites·11 claims
- 0787US11519104B2Method of reusing a textile material which comprises celluloseCHEMIEFASER LENZING AG·Filed 2019·Granted Dec 6, 2022·3 cites·15 claims
- 0887US10316467B2Process for pretreating reclaimed cotton fibers to be used in the production of molded bodies from regenerated celluloseCHEMIEFASER LENZING AG·Filed 2014·Granted Jun 11, 2019·7 cites·26 claims
- 0986US9701800B2Polysaccharide film and method for the production thereofCHEMIEFASER LENZING AG·Filed 2014·Granted Jul 11, 2017·9 cites·2 claims
- 1086US5094690AProcess and arrangement for preparing a solution of celluloseCHEMIEFASER LENZING AG·Filed 1991·Granted Mar 10, 1992·71 cites·9 claims
- 1185US5968434AProcess of making cellulose moldings and fibersCHEMIEFASER LENZING AG·Filed 1998·Granted Oct 19, 1999·36 cites·2 claims
- 1285US5628941AProcess for the production of cellulose moulded bodiesCHEMIEFASER LENZING AG·Filed 1995·Granted May 13, 1997·29 cites·23 claims
- 1385US5626810AProcess for the preparation of cellulose solutionsCHEMIEFASER LENZING AG·Filed 1994·Granted May 6, 1997·46 cites·9 claims
- 1484US11326283B2Nonwoven cellulose fiber fabric with homogeneously merged fibersCHEMIEFASER LENZING AG·Filed 2018·Granted May 10, 2022·3 cites·10 claims
- 1584US5603883AProcess of and apparatus for making celluose productsCHEMIEFASER LENZING AG·Filed 1995·Granted Feb 18, 1997·42 cites·28 claims
- 1684US5601767AProcess for the production of a cellulose moulded bodyCHEMIEFASER LENZING AG·Filed 1995·Granted Feb 11, 1997·44 cites·14 claims
- 1784US5167890AMonoaxially stretched shaped article of polytetrafluoroethylene and process for producing the sameCHEMIEFASER LENZING AG·Filed 1990·Granted Dec 1, 1992·58 cites·6 claims
- 1883US11898273B2Solvent-spun cellulosic fiberCHEMIEFASER LENZING AG·Filed 2019·Granted Feb 13, 2024·2 cites·17 claims
- 1983US6706224B2Process and device for the production of cellulosic moulded bodiesCHEMIEFASER LENZING AG·Filed 2001·Granted Mar 16, 2004·26 cites·13 claims
- 2083US5607639AProcess for the preparation of cellulose sheetCHEMIEFASER LENZING AG·Filed 1994·Granted Mar 4, 1997·55 cites·10 claims
- 2183US5216144AMethod of producing shaped cellulosic articlesCHEMIEFASER LENZING AG·Filed 1991·Granted Jun 1, 1993·39 cites·6 claims
- 2283US5164079AFiltering apparatus for separating solid and suspended matter from a liquidCHEMIEFASER LENZING AG·Filed 1990·Granted Nov 17, 1992·63 cites·4 claims
- 2382US11976417B2Cellulose raw material and method for recycling a cellulose raw material from blended textile wasteCHEMIEFASER LENZING AG·Filed 2019·Granted May 7, 2024·1 cites·16 claims
- 2482US11828005B2Method of producing a chemical pulp from a textile material which comprises cellulose and a molded body from the chemical pulpCHEMIEFASER LENZING AG·Filed 2022·Granted Nov 28, 2023·0 cites·17 claims
- 2582US8367203B2Cellulosic molded body, method for manufacturing it and use thereofCHEMIEFASER LENZING AG·Filed 2006·Granted Feb 5, 2013·4 cites·36 claims
- 2681US11613097B2Continuous filament cellulose nonwoven made with multiple bonding techniquesCHEMIEFASER LENZING AG·Filed 2017·Granted Mar 28, 2023·2 cites·24 claims
- 2781US10612191B2Method for producing a cellulose suspensionCHEMIEFASER LENZING AG·Filed 2013·Granted Apr 7, 2020·2 cites·16 claims
- 2880US5543101AProcess of making cellulose fibresCHEMIEFASER LENZING AG·Filed 1994·Granted Aug 6, 1996·26 cites·7 claims
- 2980US2024263360A1Recycled mixed textile comprising cellulose and synthetic plasticCHEMIEFASER LENZING AG·Filed 2024·Application pending·0 cites
- 3079US5653931AProcess for the production of cellulose moulded bodiesCHEMIEFASER LENZING AG·Filed 1994·Granted Aug 5, 1997·25 cites·16 claims
- 3179US2025129519A1Roller surfaceCHEMIEFASER LENZING AG·Filed 2024·Application pending·0 cites
- 3278US11371173B2Process and device for the formation of directly-formed cellulosic websCHEMIEFASER LENZING AG·Filed 2017·Granted Jun 28, 2022·1 cites·21 claims
- 3378US2025305215A1Treated cellulose-comprising starting material and a process for preparing a broken-up, cellulose-containing, starting material with a predefined fibre-length distributionCHEMIEFASER LENZING AG·Filed 2025·Application pending·0 cites
- 3477US5656224AProcess for the production of a cellulose suspensionCHEMIEFASER LENZING AG·Filed 1995·Granted Aug 12, 1997·31 cites·13 claims
- 3577US5601771AProcess for the production of cellulose fibresCHEMIEFASER LENZING AG·Filed 1995·Granted Feb 11, 1997·26 cites·11 claims
- 3677US5556452AMoulding materials and spinning materials containing celluloseCHEMIEFASER LENZING AG·Filed 1994·Granted Sep 17, 1996·20 cites·35 claims
- 3777US5346588AProcess for the chlorine-free bleaching of cellulosic materials with ozoneCHEMIEFASER LENZING AG·Filed 1992·Granted Sep 13, 1994·72 cites·13 claims
- 3877US5330567AProcess and arrangement for preparing a solution of celluloseCHEMIEFASER LENZING AG·Filed 1992·Granted Jul 19, 1994·51 cites·9 claims
- 3976US10570565B2Fast-fibrillating lyocell fibers, and use thereofCHEMIEFASER LENZING AG·Filed 2015·Granted Feb 25, 2020·1 cites·7 claims
- 4076US9822188B2Cellulose suspension, method for the production and use thereofCHEMIEFASER LENZING AG·Filed 2014·Granted Nov 21, 2017·1 cites·7 claims
- 4176US2024240399A1Cellulose raw material and method for recycling a cellulose raw material from blended textile wasteCHEMIEFASER LENZING AG·Filed 2024·Application pending·0 cites
- 4275US11987906B2Method of reusing a mixed textile comprising cellulose and synthetic plasticCHEMIEFASER LENZING AG·Filed 2019·Granted May 21, 2024·0 cites·12 claims
- 4375US9873964B2Dispersible non-woven fabricsCHEMIEFASER LENZING AG·Filed 2016·Granted Jan 23, 2018·2 cites·32 claims
- 4475US5984655ASpinning process and apparatusCHEMIEFASER LENZING AG·Filed 1996·Granted Nov 16, 1999·28 cites·22 claims
- 4575US2025263890A1Cellulosic paper material from recycled used textilesCHEMIEFASER LENZING AG·Filed 2025·Application pending·0 cites
- 4674US12467169B2Nonwoven material, use of the nonwoven material, and wiping cloth, dryer sheet and face mask containing the nonwoven materialCHEMIEFASER LENZING AG·Filed 2023·Granted Nov 11, 2025·0 cites·32 claims
- 4774US11519101B2Functionalization of foreign material in lyocell-methodsCHEMIEFASER LENZING AG·Filed 2019·Granted Dec 6, 2022·0 cites·15 claims
- 4874US4479517ALow profile circular loomCHEMIEFASER LENZING AG·Filed 1982·Granted Oct 30, 1984·12 cites·9 claims
- 4974US2023080038A1Flame retardant lyocell filamentCHEMIEFASER LENZING AG·Filed 2022·Application pending·0 cites
- 5073US11718930B2Spinning device and method for spinning up a spinning device, and spin-up deviceCHEMIEFASER LENZING AG·Filed 2018·Granted Aug 8, 2023·0 cites·22 claims
Showing the top 50 of 263 patent records by PatentIndex Score.
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