Inventor · disambiguated record
Donald R. Berdahl
Also filed as: BERDAHL DONALD · BERDAHL DONALD R · BERDAHL DONALD RICHARD
20 granted patents·11 pending applications·205 citations·filing 1985–2023
94Inventor score
Top patents by PatentIndex Score
31 records- 0192US11591625B2Enzymatic process for production of modified hop productsKALAMAZOO HOLDINGS INC·Filed 2021·Granted Feb 28, 2023·4 cites·17 claims
- 0291US12173346B2Enzymatic process for production of modified hop productsKALAMAZOO HOLDINGS INC·Filed 2023·Granted Dec 24, 2024·1 cites·4 claims
- 0387US10961550B2Enzymatic process for production of modified hop productsKALAMAZOO HOLDINGS INC·Filed 2019·Granted Mar 30, 2021·5 cites·17 claims
- 0486US4794157APolyetherimide copolymers, and method for makingGEN ELECTRIC·Filed 1987·Granted Dec 27, 1988·36 cites·14 claims
- 0584US4874835APolyetherimides and precursors therefor from oxydiphtalic anhydride diester and a mixture of diaminesGEN ELECTRIC·Filed 1988·Granted Oct 17, 1989·31 cites·17 claims
- 0682US4808731AMethod for making oxydiphthalic anhydrideGEN ELECTRIC·Filed 1988·Granted Feb 28, 1989·20 cites·8 claims
- 0781US4933469AMethod for preparing oxybisphthalimidesGEN ELECTRIC·Filed 1988·Granted Jun 12, 1990·17 cites·12 claims
- 0878US9247694B2Oleoresins derived from a capsicum annuum exhibiting a hyper-accumulation of zeaxanthin and products derived therefromKALAMAZOO HOLDINGS INC·Filed 2013·Granted Feb 2, 2016·1 cites·7 claims
- 0978US5106938AMelt crystalline polyetherimidesGEN ELECTRIC·Filed 1989·Granted Apr 21, 1992·23 cites·23 claims
- 1077US4855391AHigh temperature stable polyetherimides from oxydiphthalic dianhydride and a mixture of m- and p-phenylene diamines and diaminodiphenyl etherGEN ELECTRIC·Filed 1988·Granted Aug 8, 1989·21 cites·3 claims
- 1172US2024067905A1Natural bittering compounds from hopsKALAMAZOO HOLDINGS INC·Filed 2023·Application pending·0 cites
- 1268US11821020B2Enzymatic process for production of modified hop productsKALAMAZOO HOLDINGS INC·Filed 2021·Granted Nov 21, 2023·0 cites·17 claims
- 1367US11807838B2Natural bittering compounds from hopsKALAMAZOO HOLDINGS INC·Filed 2019·Granted Nov 7, 2023·0 cites·19 claims
- 1466US8592662B2Capsicum variety exhibiting a hyper-accumulation of zeaxanthin and products derived therefromYOUNG CARRIE KAY·Filed 2011·Granted Nov 26, 2013·1 cites·14 claims
- 1566US4780544AMethod for making oxybisphthalimidesGEN ELECTRIC·Filed 1986·Granted Oct 25, 1988·7 cites·6 claims
- 1666US4665112AUltraviolet radiation stabilized polyphenylene ether resinsGEN ELECTRIC·Filed 1986·Granted May 12, 1987·15 cites·9 claims
- 1766US2025185699A1Encapsulation of hop compositionsKALAMAZOO HOLDINGS INC·Filed 2023·Application pending·0 cites
- 1864US7550162B2Labiatae herb extracts and hop extracts for extending the color life and inhibiting the growth of microorganisms in fresh meat, fish and poultryKALSEC INC·Filed 2001·Granted Jun 23, 2009·4 cites·26 claims
- 1959US10721946B2Capsicum variety exhibiting a hyper-accumulation of zeaxanthin and products derived therefromKALAMAZOO HOLDINGS INC·Filed 2015·Granted Jul 28, 2020·0 cites·17 claims
- 2058US4668739APoly(phenylene ether)-bound UV absorberGEN ELECTRIC·Filed 1985·Granted May 26, 1987·14 cites·10 claims
- 2156US2020095619A1New enzymatic process for production of modified hop productsKALAMAZOO HOLDINGS INC·Filed 2019·Application pending·0 cites
- 2252US2021010038A1Enzymatic process for production of modified hop productsKALAMAZOO HOLDINGS INC·Filed 2020·Application pending·0 cites
- 2351US2005106306A1Use of Labiatae herb preparations for foam enhancement of malt beveragesFiled 2004·Application pending·0 cites
- 2451US2006185034A1Capsicum variety exhibiting a hyper-accumulation of zeaxanthin and products derived therefromKALAMAZOO HOLDINGS INC·Filed 2006·Application pending·0 cites
- 2551US2005058745A1Use of Labiatae herb preparations for extending the flavor shelf life of malt beveragesFiled 2004·Application pending·0 cites
- 2647US2012046369A1Methods for enhancing the stability of foods, beverages, and cosmetics using natural products derived from non-allergenic proteinaceous sourcesNAHAS ROGER·Filed 2011·Application pending·0 cites
- 2747US2006182826A1Extracts of Asteraceae containing reduced levels of phototoxic thiophene derivatives and methods for preparing sameKALAMAZOO HOLDINGS INC·Filed 2006·Application pending·0 cites
- 2841US2012216321A1Capsicum variety exhibiting a hyper-accumulation of zeaxanthin and products derived therefromTODD PAUL H·Filed 2012·Application pending·0 cites
- 2934US5580741AChemiluminescence immunoassay for chlorinated aromatic compound detectionGEN ELECTRIC·Filed 1994·Granted Dec 3, 1996·4 cites·32 claims
- 3030US4746720APolyimides and method for makingGEN ELECTRIC·Filed 1986·Granted May 24, 1988·1 cites·10 claims
- 3130US2010197812A1Compositions and methods for enhancing the stability of foods, beverages, nutritional supplements and cosmeticsKALAMAZOO HOLDINGS INC·Filed 2010·Application pending·0 cites
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