Enthone GmbH
103Patents
48Active
103Granted
49Portfolio score
Filing activity: Aug 14, 1974 → Feb 24, 2015 · 36 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4663240A | RFI shielded plastic articles and process for making same | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4514586A | Method of using a shielding means to attenuate electromagnetic radiation in the radio frequency range | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4395302A | Metal dissolution process using H.sub.2 O.sub.2 --H.sub.2 SO.sub.4 etchant | Chemistry; Metallurgy | 39 | Expired |
| US7670950B2 | Copper metallization of through silicon via | Electricity | 33 | Active |
| US4592852A | Composition and process for treating plastics with alkaline permanganate solutions | Electricity | 27 | Expired |
| US6375866B1 | Method for applying a conductive paint coating and articles made thereby | Electricity | 24 | Expired |
| US6860925B2 | Printed circuit board manufacture | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4840820A | Electroless nickel plating of aluminum | Chemistry; Metallurgy | 24 | Expired |
| US4629636A | Process for treating plastics with alkaline permanganate solutions | Electricity | 23 | Expired |
| US6776893B1 | Electroplating chemistry for the CU filling of submicron features of VLSI/ULSI interconnect | Electricity | 22 | Expired |
| US4554049A | Selective nickel stripping compositions and method of stripping | Chemistry; Metallurgy | 22 | Expired |
| US4567066A | Electroless nickel plating of aluminum | Chemistry; Metallurgy | 21 | Expired |
| US4302246A | Solution and method for selectively stripping alloys containing nickel with gold, phosphorous or chromium from stainless steel and related nickel base alloys | Chemistry; Metallurgy | 20 | Expired |
| US4775557A | Composition and process for conditioning the surface of polycarbonate resins prior to metal plating | Electricity | 20 | Expired |
| US4948630A | Three step process for treating plastics with alkaline permanganate solutions | Electricity | 18 | Expired |
| US7846503B2 | Process and electrolytes for deposition of metal layers | Chemistry; Metallurgy | 18 | Expired |
| US7303992B2 | Copper electrodeposition in microelectronics | Electricity | 17 | Expired |
| US4717439A | Process for the treatment of copper oxide in the preparation of printed circuit boards | Electricity | 17 | Expired |
| US5032426A | Method and apparatus for applying liquid coatings on the surface of printed circuit boards | Electricity | 17 | Expired |
| US4004956A | Selectively stripping tin or tin-lead alloys from copper substrates | Electricity | 17 | Expired |
| US7972655B2 | Anti-tarnish coatings | Electricity | 17 | Active |
| US4512856A | Zinc plating solutions and method utilizing ethoxylated/propoxylated polyhydric alcohols | Chemistry; Metallurgy | 16 | Expired |
| US7998859B2 | Surface preparation process for damascene copper deposition | Electricity | 15 | Active |
| US4608091A | Peroxide selective stripping compositions and method | Chemistry; Metallurgy | 15 | Expired |
| US6428676B1 | Process for producing low alpha lead methane sulfonate | Chemistry; Metallurgy | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.