PURAC Biochem BV
170Patents
151Active
170Granted
58Portfolio score
Filing activity: Apr 11, 1994 → Oct 6, 2022 · 34 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5482645A | Non-ozone depleting cleaning composition for degreasing and defluxing purposes | Electricity | 19 | Expired |
| US9714399B2 | Preparation of lactylates directly from oil | Human Necessities | 16 | Active |
| US7083955B2 | Preparation of lactic acid from a pentose-containing substrate | Chemistry; Metallurgy | 16 | Expired |
| US6719815B2 | Fuel composition | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7223885B2 | Method for the purification of a-hydroxy acids on an industrial scale | Chemistry; Metallurgy | 13 | Expired |
| US8771524B2 | Vortex mixer and method of obtaining a supersaturated solution or slurry | Performing Operations; Transporting | 12 | Active |
| US9381277B2 | Resorbable and biocompatible fibre glass compositions and their uses | Emerging Cross-Sectional Technologies | 11 | Active |
| US6630603B1 | Method of industrial-scale purification of lactic acid | Chemistry; Metallurgy | 11 | Expired |
| US9045787B2 | Polypeptides having oxidoreductase activity and their uses | Emerging Cross-Sectional Technologies | 10 | Active |
| US9090548B2 | Carboxylate acidification | Performing Operations; Transporting | 9 | Active |
| US9422217B2 | Carboxylic acid recovery from magnesium carboxylate mixture | Chemistry; Metallurgy | 7 | Active |
| US7244596B2 | Separation of biomass from lactic-acid containing fermentation products by means of flocculation | Chemistry; Metallurgy | 7 | Expired |
| US5531983A | Oral hygiene preparation | Human Necessities | 6 | Expired |
| US8497128B2 | Genetic modification of homolactic thermophilic bacilli | Chemistry; Metallurgy | 5 | Active |
| US7705180B2 | Process for the preparation of lactic acid or lactate from a magnesium lactate comprising medium | Chemistry; Metallurgy | 4 | Active |
| US10731142B2 | Thermostable Cas9 nucleases | Chemistry; Metallurgy | 4 | Active |
| US8343283B2 | Cleaning with controlled release of acid | Chemistry; Metallurgy | 3 | Active |
| US8203008B2 | Stable lactide particles | Chemistry; Metallurgy | 3 | Active |
| US6747173B2 | Method for the preparation of lactic acid and calcium sulphate dihydrate | Chemistry; Metallurgy | 2 | Expired |
| US9309546B2 | Genetically modified cell and process for use of said cell | Chemistry; Metallurgy | 2 | Active |
| US9061986B2 | Acid/salt separation | Chemistry; Metallurgy | 2 | Active |
| US7727568B2 | Antimicrobial composition comprising a mixture of lactic acid or a derivative thereof and an inorganic acid | Human Necessities | 2 | Expired |
| US10765131B2 | Nisin production process | Human Necessities | 2 | Active |
| US7002039B2 | Method for the purification of an alpha-hydroxy acid on an industrial scale | Chemistry; Metallurgy | 2 | Expired |
| US8440860B2 | Process for manufacturing N, N-dialkyl lactamide | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.