Inventor · disambiguated record
Richard Arthur Birch
Also filed as: BIRCH RICHARD A · BIRCH RICHARD ARTHUR
8 granted patents·1 pending application·306 citations·filing 1993–2004
89Inventor score
Top patents by PatentIndex Score
9 records- 0190US6451844B1Use of menthyl-2 pyrrolidone-5-carboxylate as an insect repellentQUEST INTERNAT BV·Filed 1999·Granted Sep 17, 2002·76 cites·15 claims
- 0285US6660288B1Insect repellentsQUEST INT·Filed 1999·Granted Dec 9, 2003·38 cites·9 claims
- 0383US5876755AHumidity resistant compositionQUEST INT·Filed 1994·Granted Mar 2, 1999·69 cites·21 claims
- 0482US5711941APerfumed underarm hygiene productsUNILEVER PATENT HOLDINGS·Filed 1996·Granted Jan 27, 1998·58 cites·5 claims
- 0572US5840668APerfumed laundry detergent powdersQUEST INT·Filed 1993·Granted Nov 24, 1998·33 cites·10 claims
- 0667US6927195B2ParticlesQUEST INT SERV BV·Filed 2001·Granted Aug 9, 2005·7 cites·14 claims
- 0764US6670311B1Granular compositionsQUEST INTERNAT BV·Filed 1999·Granted Dec 30, 2003·25 cites·34 claims
- 0844US2007167339A1Production of particlesQUEST INT SERV BV·Filed 2004·Application pending·0 cites
- 0938US7455852B2Insect repellentsQUEST INT·Filed 2002·Granted Nov 25, 2008·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →