Atochem North America, Inc.
99Patents
1Active
99Granted
39Portfolio score
Filing activity: Mar 26, 1985 → Aug 23, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4975616A | Piezoelectric transducer array | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5153859A | Laminated piezoelectric structure and process of forming the same | Emerging Cross-Sectional Technologies | 61 | Expired |
| US5039576A | Electrodeposited eutectic tin-bismuth alloy on a conductive substrate | Emerging Cross-Sectional Technologies | 61 | Expired |
| US5093427A | Copolymers of vinylidene fluoride and hexafluoropropylene and process for preparing the same | Chemistry; Metallurgy | 35 | Expired |
| US4930700A | Ultrasonic dispersion nozzle having internal shut-off mechanism with barrier fluid separation | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5034648A | Dual direction switch | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5104042A | Ultrasonic dispersion nozzle with internal shut-off mechanism having barrier-fluid separation means incorporated therewith | Performing Operations; Transporting | 29 | Expired |
| US4981917A | Process for preparing polymer bound antioxidant stabilizers | Chemistry; Metallurgy | 28 | Expired |
| US4948479A | Removal of unsaturated carbon compounds from 1,1-dichloro-1-fluoroethane | Chemistry; Metallurgy | 24 | Expired |
| US5136202A | Material sensor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4975156A | Process for the separation of hydrogen fluoride, 1,1-dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethane from liquid mixtures thereof | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5096977A | Process for preparing polymer bound UV stabilizers | Chemistry; Metallurgy | 18 | Expired |
| US5166573A | Ultrasonic contact transducer and array | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5110634A | Process for making a surface modified polymer article | Chemistry; Metallurgy | 17 | Expired |
| US5114426A | Chemical stonewash methods for treating fabrics | Textiles; Paper | 16 | Expired |
| US5085696A | Methods and compositions for treating metals by means of water-borne polymeric films | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4970288A | Non-toxic polyester compositions made with organotin esterification catalysts | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5091213A | Process for surface modification of polymer articles | Performing Operations; Transporting | 16 | Expired |
| US5013777A | Novel single-functional and mixtures of multi-functional oligomeric performance additive compositions and their uses | Chemistry; Metallurgy | 16 | Expired |
| US5110626A | U.V. stabilized article | Chemistry; Metallurgy | 16 | Expired |
| US5068356A | Hindered phenolic N-(amido)imides | Chemistry; Metallurgy | 15 | Expired |
| US5164226A | Process for surface modification of polymer articles | Performing Operations; Transporting | 15 | Expired |
| US5100946A | Stabilized halogen containing polymer compositions | Chemistry; Metallurgy | 15 | Expired |
| US4956416A | Amino or hydrazino peroxides, derivatives and their uses | Chemistry; Metallurgy | 14 | Expired |
| US5110625A | Process for surface modification of polymer articles | Performing Operations; Transporting | 14 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.