Method of making synthetic gems comprising elements recovered from remains of a species of the kingdom animalia
Patent 7255743 Issued on August 14, 2007. Estimated Expiration Date: 
August 19, 2023. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 19, 2023. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3454363 3835064 Preparation of porous carbon Personalized pet animal memorial product Silicon carbide gemstones Colorless silicon carbide crystals Production of bulk single crystals of silicon carbide Patent #: 6045613 InventorsAssigneeApplicationNo. 10643330 filed on 08/19/2003US Classes:117/84, FORMING FROM VAPOR OR GASEOUS STATE (E.G., VPE, SUBLIMATION)117/86, With responsive control117/104, Using an organic precursor (e.g., propane, metal-organic, MOCVD, MOVPE)117/929, Carbon (e.g., diamond) {C30B 29/04}423/461, Recovery or purification502/425, Phosphorus containing423/454Hot particulate bed or reaction zone lining or refactoryExaminersPrimary: Kunemund, RobertAttorney, Agent or FirmInternational ClassC30B 29/04AbstractThis invention is a method of making a synthetic gem comprising elements recovered from remains of a species of the Kingdom Animalia, comprising the steps of collecting substantially pure carbon from the remains and creating gems from the carbon using crystal growth sublimation.Other References
|
| ||||||||||||||
