Assignee
INVENTA AG
CH·151 granted patents·3,911 citations·filing 1972–2003
Top patents by PatentIndex Score
151 records- 0194US5346936AStarch/polymer mixture, process for the preparation thereof, and products obtainable therefromINVENTA AG·Filed 1992·Granted Sep 13, 1994·74 cites·27 claims
- 0293US5516815AStarch-Containing fibers, process for their production and products made therefromINVENTA AG·Filed 1995·Granted May 14, 1996·106 cites·21 claims
- 0393US5480923AThermoplastically processible composition of starch acrylate copolymersINVENTA AG·Filed 1994·Granted Jan 2, 1996·74 cites·49 claims
- 0492US5792532APolymer tubingINVENTA AG·Filed 1995·Granted Aug 11, 1998·90 cites·31 claims
- 0592US5436078AStarch mixture and process for the production thereofINVENTA AG·Filed 1992·Granted Jul 25, 1995·79 cites·22 claims
- 0692US4844512AFreely rotatable snap-fit connector for pipesINVENTA AG·Filed 1988·Granted Jul 4, 1989·213 cites·12 claims
- 0790US5560398ASequentially coextruded coolant conduitINVENTA AG·Filed 1994·Granted Oct 1, 1996·87 cites·16 claims
- 0889US5510073APlanetary gear for a multiple-screw extruderINVENTA AG·Filed 1994·Granted Apr 23, 1996·77 cites·31 claims
- 0989US5316578AProcess and apparatus for producing starch melt and products obtainable by this processINVENTA AG·Filed 1992·Granted May 31, 1994·96 cites·30 claims
- 1089US5288799AThermoplastic molding compositions which are mixtures of amorphous and semi-crystalline polyamides, a method of preparation thereof and products made therefromINVENTA AG·Filed 1992·Granted Feb 22, 1994·78 cites·29 claims
- 1189US5219003AMulti-layered tubes having impact resistance-modified polyamide layersINVENTA AG·Filed 1991·Granted Jun 15, 1993·74 cites·16 claims
- 1289US4731421ATransparent copolyamide from bis(4-amino-3,5-diethyl cyclohexyl) methaneINVENTA AG·Filed 1986·Granted Mar 15, 1988·38 cites·10 claims
- 1388US5656719ACondensation injection molding process for producing bottle preforms of polyethylene terephthalate and/or its copolyesters and resultant preformsINVENTA AG·Filed 1996·Granted Aug 12, 1997·81 cites·21 claims
- 1487US5708125AProcess for producing precondensates of partially crystalline or amorphous, thermoplastically processable, partially aromatic polyamides or copolyamidesINVENTA AG·Filed 1995·Granted Jan 13, 1998·60 cites·5 claims
- 1587US5367067AWater-resistant starch materials for the production of cast sheets and thermoplastic materialsINVENTA AG·Filed 1993·Granted Nov 22, 1994·42 cites·11 claims
- 1687US4991882AFluid-tight connectorINVENTA AG·Filed 1989·Granted Feb 12, 1991·88 cites·89 claims
- 1787US4356300APolyetherpolyamide copolymersINVENTA AG·Filed 1980·Granted Oct 26, 1982·56 cites·8 claims
- 1886US4847356ATransparent copolyamide from bis(4-amino-3,5-diethyl cyclohexyl) methaneINVENTA AG·Filed 1987·Granted Jul 11, 1989·31 cites·14 claims
- 1985US5706864ACoolant conduitsINVENTA AG·Filed 1995·Granted Jan 13, 1998·80 cites·18 claims
- 2085US5376702AProcess and apparatus for the direct and continuous modification of polymer meltsINVENTA AG·Filed 1991·Granted Dec 27, 1994·61 cites·15 claims
- 2185US5177177AAmorphous copolyamide from dimer acid, aromatic dicarboxylic acid and cycloaliphatic diamineINVENTA AG·Filed 1991·Granted Jan 5, 1993·37 cites·14 claims
- 2285US4199366AFiber-reinforced cement-like materialINVENTA AG·Filed 1978·Granted Apr 22, 1980·36 cites·7 claims
- 2385US3959215AStabalization of linear polyestersINVENTA AG·Filed 1974·Granted May 25, 1976·26 cites·11 claims
- 2484US4591629AProcess for the purification of high molecular weight polyestersINVENTA AG·Filed 1983·Granted May 27, 1986·54 cites·17 claims
- 2583US5864007ALiquid system for executing an anionic lactam polymerizationINVENTA AG·Filed 1997·Granted Jan 26, 1999·41 cites·30 claims
- 2683US5636875ATwo-part tubular connector made of polymers as well as conduit system incorporating such connector and pipes made of the same polymersINVENTA AG·Filed 1994·Granted Jun 10, 1997·85 cites·13 claims
- 2782US5773558ATransparent, colorless, amorphous polyamides and molded articlesINVENTA AG·Filed 1997·Granted Jun 30, 1998·42 cites·16 claims
- 2882US5154979AShaped articles made from thermoplastic polymersINVENTA AG·Filed 1990·Granted Oct 13, 1992·57 cites·36 claims
- 2981US6831137B2Impact resistant transparent polyamide alloysINVENTA AG·Filed 2002·Granted Dec 14, 2004·19 cites·6 claims
- 3081US5895808AProcess for producing compound materials with a polylactam matrix which can be thermally postformedINVENTA AG·Filed 1997·Granted Apr 20, 1999·45 cites·23 claims
- 3181US5756647AProcess for activated anionic lactam polymerizationINVENTA AG·Filed 1997·Granted May 26, 1998·35 cites·20 claims
- 3281US5696202ATransparent, colorless, amorphous polyamides and molded articlesINVENTA AG·Filed 1995·Granted Dec 9, 1997·42 cites·10 claims
- 3381US5588468ABlow-molded coolant conduitINVENTA AG·Filed 1996·Granted Dec 31, 1996·52 cites·13 claims
- 3480US5859147AAmorphous, transparent polyamide compositions and articles having reduced flammabilityINVENTA AG·Filed 1997·Granted Jan 12, 1999·32 cites·14 claims
- 3580US5850855AFlexible coolant conduit and method of making sameINVENTA AG·Filed 1996·Granted Dec 22, 1998·68 cites·8 claims
- 3680US5804670AAdhesion promoterINVENTA AG·Filed 1996·Granted Sep 8, 1998·27 cites·7 claims
- 3780US5474109AMultilayer conduit having a polyester layerINVENTA AG·Filed 1993·Granted Dec 12, 1995·51 cites·7 claims
- 3880US5169582AMethod and apparatus for the production of thermoplastic caprolactam containing molding compositionsINVENTA AG·Filed 1989·Granted Dec 8, 1992·49 cites·9 claims
- 3978US4232145AInjection moldable glass clear transparent polyamideINVENTA AG·Filed 1978·Granted Nov 4, 1980·25 cites·19 claims
- 4077US6277911B1Transparent, colorless, amorphous copolyamides and molded articles made therefromINVENTA AG·Filed 1999·Granted Aug 21, 2001·39 cites·13 claims
- 4177US6008288ATransparent, colorless, amorphous polyamides and molded articlesINVENTA AG·Filed 1997·Granted Dec 28, 1999·39 cites·15 claims
- 4277US5932686AAdhesion promoter for a polyamid-compoundsINVENTA AG·Filed 1997·Granted Aug 3, 1999·30 cites·24 claims
- 4376US5612446ATransparent polyamide and multi-ply barrier films containing sameINVENTA AG·Filed 1994·Granted Mar 18, 1997·19 cites·4 claims
- 4476US4783511AProcess for preparing moulded bodies from modified thermoplastic polyamidesINVENTA AG·Filed 1987·Granted Nov 8, 1988·29 cites·16 claims
- 4575US5684120AColorless, transparent copolyamides, their preparation, and molded articles made from these copolyamides, their blends or alloysINVENTA AG·Filed 1995·Granted Nov 4, 1997·36 cites·21 claims
- 4675US5331061AThermoplastically processable elastomeric block copolyetheresteretheramides and processes for the production and use thereofINVENTA AG·Filed 1992·Granted Jul 19, 1994·19 cites·10 claims
- 4775US5177178AAmorphous copolyamide from dimer acid, aromatic dicarboxylic acid and cycloaliphatic diamineINVENTA AG·Filed 1991·Granted Jan 5, 1993·22 cites·17 claims
- 4875US4647630AProcess for the preparation of highly viscous or heat distortion-resistant polyamide which is at least partially crosslinked with functional silaneINVENTA AG·Filed 1983·Granted Mar 3, 1987·22 cites·22 claims
- 4974US6021816ACorrugated pipeINVENTA AG·Filed 1998·Granted Feb 8, 2000·46 cites·21 claims
- 5074US6013758AMethod for producing a liquid system for lactam polymerizationINVENTA AG·Filed 1998·Granted Jan 11, 2000·27 cites·36 claims
Showing the top 50 of 151 patent records by PatentIndex Score.
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