us patent 4 001 197 magnetic separation method patents com

US Patent for Particle separation method Patent (Patent ...

Justia Patents Using Magnetic Force US Patent for Particle separation method Patent (Patent # 4,935,147) Particle separation method ... A magnetic separation method utilizing a colloid of magnetic particles is discussed in U.S. Pat. No. 4,526,681. ... For this purpose the ionic strength is generally low and can be in the range of 0.001 to 0.5M ...

N - Index to the U.S. Patent Classification System

United States Patent and Trademark Office. United States Patent and Trademark Office. Browse By Topic

US Patent Application for MAGNETIC SEPARATION SYSTEM WITH ...

Apr 16, 2009· A system for sorting and trapping magnetic target species includes a microfluidic chamber designed to receive and then temporarily hold magnetic particles in place within the module. A pre-processing module may mix a sample and magnetic particles to cause certain species in the sample to be labeled. The micorfluidic chamber may include a mechanism to move magnetic particles within the …

Rex Research Archives Home Page

US Patent # 6,392,370. May 21, 2002 ~ US Cl. 318/140. Device and Method of a Back EMF Permanent Electromagnetic Motor Generator. John Bedini

United States Patent: 6,438,180

3. The method of claim 1, wherein the detector is a hard decision detector. 4. The method of claim 1, wherein the detector is a soft decision detector. 5. The method of claim 1, wherein the detector is selected from a group consisting of a Viterbi detector, a soft output Viterbi detector, a Generalized Viterbi detector, and a BCJR detector. 6.

Randell Mills: Hydrinos (Lower-Energy Hydrogen), US Patent ...

No. 4, November, (1995), pp. 1697-1719, and in my previous U.S. patent applications entitled "Energy/Matter Conversion Methods and Structures", Ser. No. 08/467,051 filed on Jun. 6, 1995 which is a continuation-in-part application of Ser. No. 08/416,040 filed on Apr. 3, 1995 which is a continuation-in-part application of Ser.

US3926789A - Magnetic separation of ... - Google Patents

Particulate mixtures of non-magnetic or paramagnetic materials are separated by selectively coating the surfaces of a component or components of the mixture with a magnetic fluid. Thereafter, the particulate mixture is subjected to a magnetic separation yielding a magnetic fluid-coated fraction and a non-magnetic fraction. The process is especially useful in mineral beneficiation wherein a ...

US PATENT 3,626,606: METHOD AND APPARATUS FOR …

The data of curve 4 was taken with the air gap separation of the wheel to pole piece established at 0.001 centimeter as in the arrangement of curve 2; however, the duration of wheel spin was decreased from 45 minutes to 30 minutes.

US Patent Full-Text Database Boolean Search

Patents from 1790 through 1975 are searchable only by Issue Date, Patent Number, and Current US Classification. When searching for specific numbers in the Patent Number field, utility patent numbers are entered as one to eight numbers in length, excluding commas (which …

EP0589636A1 - Magnetic separation method - Google Patents

EP0589636A1 - Magnetic separation method - Google Patents Magnetic separation method Download PDF Info Publication number ... Priority to EP93307372A priority patent/EP0589636B1/en Publication of EP0589636A1 publication Critical patent/EP0589636A1/en

OFFICIAL GAZETTE of the UNITED STATES PATENT AND ... - USPTO

• Mailing and Hand Carry Addresses for Mail to the United States Patent and Trademark Office • Reference Collections of U.S. Patents Available for Public Use in Patent and Trademark Resource Centers • Patent Technology Centers COPIES OF PATENTS are furnished by the Patent and Trademark Office at $3.00 each; PLANT PATENTS in color, $15.00 each; copies of TRADEMARKS …

OFFICIAL GAZETTE of the UNITED STATES PATENT AND …

Notice of Expiration of Patents Due to Failure to Pay Maintenance Fee 35 U.S.C. 41 and 37 CFR 1.362(g) provide that if the required maintenance fee and any applicable surcharge are not paid in a patent requiring such payment, the patent will expire at the end of the 4th, 8th or 12th anniversary of the grant of the patent depending on the first maintenance fee which was not paid.

Timeline of United States inventions (1946–1991) - Wikipedia

The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional 7 years.

Nanocatalysis: Academic Discipline and Industrial Realities

Nanotechnology plays a central role in both academic research and industrial applications. Nanoenabled products are not only found in consumer markets, but also importantly in business to business markets (B2B). One of the oldest application areas of nanotechnology is nanocatalysis—an excellent example for such a B2B market. Several existing reviews illustrate the scientific developments in ...

Patents | Research | CPES

Sep 21, 2020· Full List of CPES Patents (Updated: September 21, 2020). Public users have access to this list of CPES patents, while Industry Members are able to view the Patent Documents.. CPES Patent Information. 2020; US Patent: 10770081

Adsorbent catalytic nanoparticles and methods of using the ...

@article{osti_1342103, title = {Adsorbent catalytic nanoparticles and methods of using the same}, author = {Slowing, Igor Ivan and Kandel, Kapil}, abstractNote = {The present invention provides an adsorbent catalytic nanoparticle including a mesoporous silica nanoparticle having at least one adsorbent functional group bound thereto. The adsorbent catalytic nanoparticle also includes at least ...

US Patent for Magnetic particles Patent (Patent ...

A magnetic particle comprises a polysaccharide matrix and a plurality of magnetic crystals dispersed in the matrix. A method for making magnetic particles comprises combining a basic solution with a metal ion solution and allowing the metal ions to oxidize to form magnetic crystals, and combining the magnetic crystals with a polysaccharide solution to form the magnetic particles.

US5897783A - Magnetic separation method - Google Patents

US5897783A US08/542,626 US54262695A US5897783A US 5897783 A US5897783 A US 5897783A US 54262695 A US54262695 A US 54262695A US 5897783 A US5897783 A US 5897783A Authority US United States Prior art keywords vessel magnetically attractable annular bottom magnet Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

US Patent for Flocculation-magnetic separation system ...

Aug 19, 2011· A flocculation-magnetic separation is provided which reduces the usage amount of flocculation agents as well as the usage amount of magnetic powders and realizes an improvement in the quality of treated water. In a flocculation-magnetic separation system comprising a flocculation section generating magnetic flocks by adding flocculant agents and magnetic powders to wastewater …

EPO - Searching for patents: patent information

Legal information. Discover the potential of the EPO's legal patent information: see if and where a patent has been granted, if it is valid, if there is still time to challenge it, and much more.

Class Definition for Class 310 - United States Patent and ...

4, : Baths, Closets, Sinks, and Spittoons, subclass 213 for the subject matter of that class having electrical ventilating means. 57, : Textiles: Spinning, Twisting, and Twining, subclass 100 for the apparatus of that class having electric motor driving means. 73, : Measuring and Testing, appropriate subclasses for mechanical measuring and testing devices having electric motors or generators ...

WIPO - Search International and National Patent Collections

This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections. This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results.

US PATENT 3,626,605: METHOD AND APPARATUS FOR …

Click on either the image to the left or the hyperlink, above, to obtain a copy of the original U.S. Patent 3,626,605, "Method and Apparatus for Generating a Secondary Gravitational Force Field," e-Book. Henry William Wallace U.S. Patents 3,626,605 and 3,626,606 Combined e-Book

Magnetic separations in biotechnology - ScienceDirect

Dec 01, 2013· The magnetic force exerted on a particle by the influence of a magnetic field is given by the following equation: (1) F m = V p Δχ μ 0 B. ∇ B where μ 0 is the permeability of vacuum (4π × 10 − 7 T m A − 1), V p is the volume of the particle (m 3), ∆χ is the difference in magnetic susceptibilities between the particle and the ...

2106-Patent Subject Matter Eligibility

2106.04 Eligibility Step 2A: Whether a Claim is Directed to a Judicial Exception [R-10.2019] I. JUDICIAL EXCEPTIONS Determining that a claim falls within one of the four enumerated categories of patentable subject matter recited in 35 U.S.C. 101 (i.e., process, machine, manufacture, or composition of matter) in Step 1 does not end the eligibility analysis, because claims directed to nothing ...

Patent Counts By Class By Year, CY 1977 - 2015

For example, the same patent would be counted once in Class 2 and once in Class 4 if it has classifications assigned in both classes. If the patent record is incomplete and the classification is unknown, then the (non-design) patent is counted in class 001. Design patents with unknown classification are counted in design class D00.

Paul M. Brown: Resonant Nuclear Battery (Nucell) ~ Beta ...

Figure 4. Figure 5. The simplest form of nuclear battery is the Burke Cell (US Patent # 3,939,366, Ref. 4). This method consists of a conventional battery and a conventional load connected by means of a radioactive conductor.

Search Patent Classification Systems

Gas separation : 056: Harvesters : 057: Textiles: spinning, twisting, and twining : 059: ... processes, compositions used therein, and methods of preparing the compositions : 206: Special receptacle or package : Class Number and Title : 208: ... United States Patent and Trademark Office. United States Patent and Trademark Office. Browse By ...

US3887457A - Magnetic separation method - Google Patents

US3887457A US362218A US36221873A US3887457A US 3887457 A US3887457 A US 3887457A US 362218 A US362218 A US 362218A US 36221873 A US36221873 A US 36221873A US 3887457 A US3887457 A US 3887457A Authority US United States Prior art keywords magnetic magnetic particles particles less matrix Prior art date Legal status (The legal status is an …

Polymeric Microspheres and Magnetic Beads | IVD/OEM ...

The Estapor® super paramagnetic microspheres are worldwide known as means of magnetic separation and the streptavidin -biotin interaction is very strong (Kd = 10-15M). Then, once coupled with streptavidin, our bioactivated beads provide you with one of the best tools for biomagnetic separation …