Inventor · disambiguated record
John M. Teffenhart
Also filed as: TEFFENHART JOHN · TEFFENHART JOHN M
14 granted patents·3 pending applications·1,791 citations·filing 1986–2022
95Inventor score
Files withINT FLAVORS & FRAGRANCES INC7SYMRISE AG5TYNDALE PLAINS HUNTER LTD3CARDIOTECH INTERNATIONAL INC1TEFFENHART JOHN1
Top patents by PatentIndex Score
17 records- 0198US6177523B1Functionalized polyurethanesCARDIOTECH INTERNATIONAL INC·Filed 1999·Granted Jan 23, 2001·565 cites·38 claims
- 0298US5993972AHydrophilic and hydrophobic polyether polyurethanes and uses thereforTYNDALE PLAINS HUNTER LTD·Filed 1998·Granted Nov 30, 1999·635 cites·31 claims
- 0395US5506201AFormulation of a fat surfactant vehicle containing a fragranceINT FLAVORS & FRAGRANCES INC·Filed 1994·Granted Apr 9, 1996·126 cites·3 claims
- 0494US6063365AApplication of film forming technology to fragrance control release systems; and resultant fragrance control release systemsINT FLAVORS & FRAGRANCES INC·Filed 1998·Granted May 16, 2000·80 cites·1 claims
- 0592US4743673AHydrophilic carboxy polyurethanesTYNDALE PLAINS HUNTER LTD·Filed 1986·Granted May 10, 1988·132 cites·37 claims
- 0690US6368633B1Microparticles which controllably release olfactorily active substances, methods of using same and processes for preparing sameINT FLAVORS & FRAGRANCES INC·Filed 2001·Granted Apr 9, 2002·30 cites·7 claims
- 0780US5543439AExtruded fragrance-containing polyvinyl alcohol and use thereofINT FLAVORS & FRAGRANCES INC·Filed 1995·Granted Aug 6, 1996·36 cites·8 claims
- 0879US7388814B2Three-dimensional dye migration time indicatorTEFFENHART JOHN·Filed 2005·Granted Jun 17, 2008·13 cites·20 claims
- 0978US6235274B1Microparticles which controllably release olfactorily active substances, methods of using same and processes for preparing sameINT FLAVORS & FRAGRANCES INC·Filed 1999·Granted May 22, 2001·34 cites·9 claims
- 1077US4789720AHydrophilic polyurethanes prepared from mixed oxyalkylene glycolsTYNDALE PLAINS HUNTER LTD·Filed 1988·Granted Dec 6, 1988·92 cites·45 claims
- 1176US6426055B1Application of film forming technology to fragrance control release systems; and resultant fragrance control release systemsINT FLAVORS & FRAGRANCES INC·Filed 2000·Granted Jul 30, 2002·19 cites·1 claims
- 1266US6156826AMatrix composition comprising surfactant and matrix useful for targeted delivery articlesINT FLAVORS & FRAGRANCES INC·Filed 1998·Granted Dec 5, 2000·29 cites·2 claims
- 1359US2025314016A1Paper roll as fragrance control release systemSYMRISE AG·Filed 2022·Application pending·0 cites
- 1458US2024309301A1Biobased Core-Shell MicrocapsulesSYMRISE AG·Filed 2021·Application pending·0 cites
- 1550US12404480B2Polyurea microcapsules and liquid surfactant systems containing themSYMRISE AG·Filed 2020·Granted Sep 2, 2025·0 cites·13 claims
- 1647US12421480B2Core-shell capsules prepared with linear and cyclic aliphatic polyisocyanatesSYMRISE AG·Filed 2018·Granted Sep 23, 2025·0 cites·15 claims
- 1746US2024122816A1Articles for indirect transfer of cosmetic actives to skinSYMRISE AG·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →