Assignee
TYNDALE PLAINS HUNTER LTD
US·31 granted patents·3,237 citations·filing 1977–1998
Top patents by PatentIndex Score
31 records- 0199US4156067APolyurethane polymers characterized by lactone groups and hydroxyl groups in the polymer backboneTYNDALE PLAINS HUNTER LTD·Filed 1977·Granted May 22, 1979·221 cites·65 claims
- 0298US5993972AHydrophilic and hydrophobic polyether polyurethanes and uses thereforTYNDALE PLAINS HUNTER LTD·Filed 1998·Granted Nov 30, 1999·635 cites·31 claims
- 0398US5120816AHydrophilic polyurethanes of improved strengthTYNDALE PLAINS HUNTER LTD·Filed 1990·Granted Jun 9, 1992·151 cites·21 claims
- 0498US4156066APolyurethane polymers characterized by lactone groups and hydroxyl groups in the polymer backboneTYNDALE PLAINS HUNTER LTD·Filed 1977·Granted May 22, 1979·128 cites·34 claims
- 0596US5962620AHydrophicic and hydrophobic polyether polyurethanes and uses thereforTYNDALE PLAINS HUNTER LTD·Filed 1997·Granted Oct 5, 1999·194 cites·15 claims
- 0696US4454309APolyurethane polyene compositionsTYNDALE PLAINS HUNTER LTD·Filed 1982·Granted Jun 12, 1984·86 cites·13 claims
- 0795US4255550APolyurethane polymers characterized by carboxylate groups and hydroxyl groups in the polymer backboneTYNDALE PLAINS HUNTER LTD·Filed 1978·Granted Mar 10, 1981·66 cites·12 claims
- 0894US4729914AHydrophilic coating and substrate coated therewithTYNDALE PLAINS HUNTER LTD·Filed 1987·Granted Mar 8, 1988·195 cites·15 claims
- 0993US5000955AThermally reversible polyurethane hydrogels and cosmetic, biological and medical usesTYNDALE PLAINS HUNTER LTD·Filed 1990·Granted Mar 19, 1991·122 cites·30 claims
- 1093US4810582AHydrophilic polyurethane compositionTYNDALE PLAINS HUNTER LTD·Filed 1988·Granted Mar 7, 1989·100 cites·18 claims
- 1193US4496535APolyurethane polyene compositionsTYNDALE PLAINS HUNTER LTD·Filed 1984·Granted Jan 29, 1985·120 cites·23 claims
- 1292US5563233APolyether polyurethane polymers and gels having improved absorption and slip propertiesTYNDALE PLAINS HUNTER LTD·Filed 1994·Granted Oct 8, 1996·104 cites·11 claims
- 1392US4743673AHydrophilic carboxy polyurethanesTYNDALE PLAINS HUNTER LTD·Filed 1986·Granted May 10, 1988·132 cites·37 claims
- 1491US4798876AHydrophilic polyurethane compositionTYNDALE PLAINS HUNTER LTD·Filed 1985·Granted Jan 17, 1989·70 cites·7 claims
- 1591US4439583APolyurethane diacrylate compositions useful in forming canulaeTYNDALE PLAINS HUNTER LTD·Filed 1982·Granted Mar 27, 1984·90 cites·19 claims
- 1690US4920172AHydrophilic polyurethane emulsions and materials produced therefromTYNDALE PLAINS HUNTER LTD·Filed 1989·Granted Apr 24, 1990·44 cites·31 claims
- 1789US4439585APolyurethane diacrylate compositions as carrier for pharmacological agentsTYNDALE PLAINS HUNTER LTD·Filed 1982·Granted Mar 27, 1984·75 cites·18 claims
- 1889US4359558APolyurethane diacrylate compositionsTYNDALE PLAINS HUNTER LTD·Filed 1980·Granted Nov 16, 1982·79 cites·15 claims
- 1985US4780512APolyurethane acrylate compositionsTYNDALE PLAINS HUNTER LTD·Filed 1987·Granted Oct 25, 1988·32 cites·12 claims
- 2085US4424305ASurgical implants formed of polyurethane diacrylate compositionsTYNDALE PLAINS HUNTER LTD·Filed 1982·Granted Jan 3, 1984·57 cites·19 claims
- 2182US5728762APolyether polyurethane polymers, gels, solutions and uses thereofTYNDALE PLAINS HUNTER LTD·Filed 1996·Granted Mar 17, 1998·50 cites·29 claims
- 2282US4451635APolyurethane quaternary ammonium saltsTYNDALE PLAINS HUNTER LTD·Filed 1982·Granted May 29, 1984·28 cites·2 claims
- 2379US5932200APolyether polyurethane polymers, gels, solutions and uses thereofTYNDALE PLAINS HUNTER LTD·Filed 1998·Granted Aug 3, 1999·49 cites·5 claims
- 2477US4789720AHydrophilic polyurethanes prepared from mixed oxyalkylene glycolsTYNDALE PLAINS HUNTER LTD·Filed 1988·Granted Dec 6, 1988·92 cites·45 claims
- 2577US4408023APolyurethane diacrylate compositions useful for contact lenses and the likeTYNDALE PLAINS HUNTER LTD·Filed 1982·Granted Oct 4, 1983·81 cites·19 claims
- 2676US4490423APolyurethane polyene compositionsTYNDALE PLAINS HUNTER LTD·Filed 1984·Granted Dec 25, 1984·28 cites·6 claims
- 2771US4439584AGas and ion permeable membranes formed of polyurethane diacrylate compositionsTYNDALE PLAINS HUNTER LTD·Filed 1982·Granted Mar 27, 1984·29 cites·19 claims
- 2866US5334691AHydrophilic polyurethanes of improved strengthTYNDALE PLAINS HUNTER LTD·Filed 1992·Granted Aug 2, 1994·64 cites·8 claims
- 2965US6130309AHydrophilic polyether polyurethanes containing carboxylic acidTYNDALE PLAINS HUNTER LTD·Filed 1996·Granted Oct 10, 2000·35 cites·23 claims
- 3063US4810543AArticles having low friction surfaces and production thereofTYNDALE PLAINS HUNTER LTD·Filed 1986·Granted Mar 7, 1989·56 cites·27 claims
- 3160US5273742ABiomedical water soluble hydrophilic polyurethane polymers and method of use thereofTYNDALE PLAINS HUNTER LTD·Filed 1991·Granted Dec 28, 1993·24 cites·2 claims
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