Assignee
ZIMMER AG
DE·87 granted patents·7 pending applications·2,041 citations·filing 1974–2005
Top patents by PatentIndex Score
94 records- 0194US5798433AProcess for production of polypropylene terephthalateZIMMER AG·Filed 1997·Granted Aug 25, 1998·90 cites·7 claims
- 0294US5656221AProcess for direct production of low acetaldehyde packaging materialZIMMER AG·Filed 1995·Granted Aug 12, 1997·96 cites·13 claims
- 0394US5656716ATitanium-containing catalyst and process for the production of polyesterZIMMER AG·Filed 1996·Granted Aug 12, 1997·103 cites·11 claims
- 0493US5235027AModified copolyethylene terephthalateZIMMER AG·Filed 1991·Granted Aug 10, 1993·71 cites·9 claims
- 0592US5266601AProcess for preparing polybutylene terephthalate from pet scrapZIMMER AG·Filed 1992·Granted Nov 30, 1993·152 cites·6 claims
- 0690US4064112AProcess for the continuous production of high molecular weight polyethylene terephthalateZIMMER AG·Filed 1976·Granted Dec 20, 1977·193 cites·13 claims
- 0789US6358578B1Method for the production of polyester with mixed catalystsZIMMER AG·Filed 1998·Granted Mar 19, 2002·80 cites·13 claims
- 0889US4077945AProcess for making linear polyesters from ethylene glycol and terephthalic acidZIMMER AG·Filed 1977·Granted Mar 7, 1978·77 cites·6 claims
- 0986US6417320B1Catalyst and method for its production and useZIMMER AG·Filed 2000·Granted Jul 9, 2002·55 cites·30 claims
- 1084US7084235B2Method of producing highly condensed polyester granulateZIMMER AG·Filed 2004·Granted Aug 1, 2006·21 cites·9 claims
- 1184US5744572AProcess for the acceleration of the polycondensation of polyesterZIMMER AG·Filed 1997·Granted Apr 28, 1998·42 cites·7 claims
- 1284US4107160AContinuous process for the recovery of caprolactamZIMMER AG·Filed 1977·Granted Aug 15, 1978·39 cites·2 claims
- 1383US5466776AProcess for the multistage generation of vacuum for polyester productionZIMMER AG·Filed 1995·Granted Nov 14, 1995·58 cites·13 claims
- 1482US5869543AProcess for the synthesis of polyethylene carboxylate from polyethylene carboxylate wasteZIMMER AG·Filed 1997·Granted Feb 9, 1999·56 cites·11 claims
- 1581US5292865AProcess for preparation and after-treatment of polyester pelletsZIMMER AG·Filed 1992·Granted Mar 8, 1994·51 cites·6 claims
- 1680US5456828APolymer melt filtration apparatusZIMMER AG·Filed 1994·Granted Oct 10, 1995·50 cites·10 claims
- 1780US4263425AProcess for production of polyester polymer for food packingZIMMER AG·Filed 1978·Granted Apr 21, 1981·30 cites·3 claims
- 1879US6601987B2Apparatus for premixing additives and feeding them into a polymer streamZIMMER AG·Filed 2001·Granted Aug 5, 2003·31 cites·10 claims
- 1979US5598980AProcess for the separation of carpet materialsZIMMER AG·Filed 1994·Granted Feb 4, 1997·49 cites·15 claims
- 2078US5308892AProcess for the preparation of polyester-masterbatch containing finely divided additivesZIMMER AG·Filed 1993·Granted May 3, 1994·41 cites·9 claims
- 2177US5340517AProcess for producing synthetic filamentsZIMMER AG·Filed 1993·Granted Aug 23, 1994·26 cites·4 claims
- 2277US5198530AProcess for continuous polycondensation of terephthalic acid and 1,4-bis(hydroxymethyl)cyclohexaneZIMMER AG·Filed 1992·Granted Mar 30, 1993·26 cites·7 claims
- 2376US6972102B1Method and device for continually producing an extrusion solutionZIMMER AG·Filed 2000·Granted Dec 6, 2005·15 cites·15 claims
- 2475US4143001AApparatus and method for reclaiming polymer wasteZIMMER AG·Filed 1978·Granted Mar 6, 1979·30 cites·6 claims
- 2574US7084234B2Method and device for producing polyesters, copolyesters and polycarbonatesZIMMER AG·Filed 2003·Granted Aug 1, 2006·14 cites·19 claims
- 2674US5565545AProcess for adjusting the haze of ethyleneterephthalate polymersZIMMER AG·Filed 1995·Granted Oct 15, 1996·33 cites·6 claims
- 2773US7129347B2Method for purifying caprolactam from waste containing polyamide using UV radiationZIMMER AG·Filed 2004·Granted Oct 31, 2006·6 cites·13 claims
- 2873US5484539AProcess for filtering polymer melts with dead spot reductionZIMMER AG·Filed 1995·Granted Jan 16, 1996·43 cites·8 claims
- 2971US7115187B1Method and device for continually producing a suspension of cellulose in an aqueous amine oxideZIMMER AG·Filed 2000·Granted Oct 3, 2006·12 cites·11 claims
- 3070US7241855B2Method for the manufacture of polyestersZIMMER AG·Filed 2005·Granted Jul 10, 2007·2 cites·18 claims
- 3170US5733969AZeolite catalyst for the polycondensation of polyesterZIMMER AG·Filed 1996·Granted Mar 31, 1998·31 cites·19 claims
- 3268US7538143B2Method for the treatment of waste containing polyamide with the reprocessing of the depolymerisation residueZIMMER AG·Filed 2004·Granted May 26, 2009·4 cites·23 claims
- 3368US5362844AContinuous process for the production of polyester for food packagingZIMMER AG·Filed 1994·Granted Nov 8, 1994·34 cites·4 claims
- 3467US5306804ADiscontinuous process for the production of a polyamide-6,6ZIMMER AG·Filed 1993·Granted Apr 26, 1994·17 cites·3 claims
- 3566US7173127B2Method for the manufacture of caprolactam from waste containing polyamidesZIMMER AG·Filed 2003·Granted Feb 6, 2007·5 cites·15 claims
- 3665US5906926AMethod for modified manufacture of cellulose carbamateZIMMER AG·Filed 1997·Granted May 25, 1999·26 cites·28 claims
- 3764US6902690B1Method and device for producing cellulosed shaped bodiesZIMMER AG·Filed 2000·Granted Jun 7, 2005·8 cites·10 claims
- 3863US7244806B2Method and device for the continuous production of polyestersZIMMER AG·Filed 2003·Granted Jul 17, 2007·6 cites·25 claims
- 3963US7204265B2Bursting insertZIMMER AG·Filed 2004·Granted Apr 17, 2007·10 cites·28 claims
- 4062US6967235B2Method for the production of polybutylene terephthalateZIMMER AG·Filed 2002·Granted Nov 22, 2005·5 cites·11 claims
- 4162US6790392B1Application of a vaporous mist for spining systems with rectangular nozzlesZIMMER AG·Filed 2000·Granted Sep 14, 2004·5 cites·8 claims
- 4261US6736624B1Spinning device for spinning molten polymers and method for heating the spinning deviceZIMMER AG·Filed 2000·Granted May 18, 2004·5 cites·3 claims
- 4361US6420025B1Method for producing ultra-fine synthetic yarnsZIMMER AG·Filed 2000·Granted Jul 16, 2002·5 cites·11 claims
- 4460US7152742B2Separation process for carpetsZIMMER AG·Filed 2002·Granted Dec 26, 2006·8 cites·6 claims
- 4560US5378827AProcess for the production of cellulose carbamateZIMMER AG·Filed 1993·Granted Jan 3, 1995·18 cites·18 claims
- 4659US5360589AProcess for producing synthetic filamentsZIMMER AG·Filed 1993·Granted Nov 1, 1994·12 cites·1 claims
- 4759US5194573ADiscontinuous process for polycondensation of terephthalic acid and 1,4-bis(hydroxymethyl)cyclohexaneZIMMER AG·Filed 1992·Granted Mar 16, 1993·11 cites·10 claims
- 4858US7153927B2Process of continuously producing polyesters or copolyestersZIMMER AG·Filed 2001·Granted Dec 26, 2006·4 cites·12 claims
- 4957US6887410B2Parallel spinning process involving the intermingling of threads between galettes and a corresponding spinning installation thereforZIMMER AG·Filed 2001·Granted May 3, 2005·3 cites·8 claims
- 5057US6383433B1Copolyester fibersZIMMER AG·Filed 2001·Granted May 7, 2002·3 cites·6 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
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