Patents by Inventor Grant Pierce

Grant Pierce has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240358670
    Abstract: An antibiotic compound of formula (I): or a salt or stereoisomer thereof; wherein R1-R3 and R5-R6 are independently selected from H or a C1-C5 alkyl group or a C1-C5 substituted alkyl group; R4 is a C1-C5 alkyl group or a C1-C5 substituted alkyl group; X1-X2 are independently selected from the group consisting of ?O, H, and OH; Y is an acyclic hydrocarbon chain of 2 to 20 carbon atoms; and Z is CH3. Also disclosed are methods of treating a bacterial disease including administering an effective amount of the compound to a subject in need thereof, wherein the bacterial disease is caused by a gram-negative bacteria.
    Type: Application
    Filed: July 8, 2024
    Publication date: October 31, 2024
    Inventors: Pavel Dibrov, Elena Dibrov, Grant Pierce
  • Patent number: 12029716
    Abstract: An antibiotic compound of formula (I): or a salt or stereoisomer thereof; wherein: R1-R3 and R5-R6 are independently selected from H or a C1-C5 alkyl group or a C1-C5 substituted alkyl group; R4 is a C1-C5 alkyl group or a C1-C5 substituted alkyl group; X1-X2 are independently selected from the group consisting of ?O, H, and OH; Y is an acyclic hydrocarbon chain having 2 to 20 carbon atoms or a substituted acyclic hydrocarbon chain having 2 to 20 carbon atoms; and Z is a neutral or positively charged organic group including a nitrogen or phosphorus atom, the nitrogen or phosphorous atom forming a covalent bond with a carbon atom of Y. Also disclosed are methods of treating a bacterial disease including administering an effective amount of the compound to a subject in need thereof, wherein the bacterial disease is caused by a gram-negative bacteria.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: July 9, 2024
    Assignee: Viotika Life Sciences
    Inventors: Pavel Dibrov, Elena Dibrov, Grant Pierce
  • Publication number: 20220257555
    Abstract: An antibiotic compound of formula (I): or a salt or stereoisomer thereof; wherein: R1-R3 and R5-R6 are independently selected from H or a C1-C5 alkyl group or a C1-C5 substituted alkyl group; R4 is a C1-C5 alkyl group or a C1-C5 substituted alkyl group; X1-X2 are independently selected from the group consisting of ?O, H, and OH; Y is an acyclic hydrocarbon chain having 2 to 20 carbon atoms or a substituted acyclic hydrocarbon chain having 2 to 20 carbon atoms; and Z is a neutral or positively charged organic group including a nitrogen or phosphorus atom, the nitrogen or phosphorous atom forming a covalent bond with a carbon atom of Y. Also disclosed are methods of treating a bacterial disease including administering an effective amount of the compound to a subject in need thereof, wherein the bacterial disease is caused by a gram-negative bacteria.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 18, 2022
    Inventors: Pavel Dibrov, Elena Dibrov, Grant Pierce
  • Patent number: 11324716
    Abstract: Described herein is a process for antibiotic development comprising: (a) generating a compound of formula (III): or a salt or stereoisomer or prodrug thereof; wherein R1-R3 and R5-R10 are independently selected from H, alkyl group, substituted alkyl group, halogen, OH, NH2, or SH; R4 is H, alkyl group or substituted alkyl group; X1-X2 are independently selected from ?O, ?S, ?NH, H, alkyl, halogen, OH, SH, or NH2; W is a saturated acyclic hydrocarbon chain of 1 to 15 carbon atoms; and Z is a neutral or positively charged organic group comprising a nitrogen or phosphorus atom; and; and (b) determining efficacy of the compound to inhibit growth of a bacteria. Systems of drug development of these antibiotic compounds are also described.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: May 10, 2022
    Inventors: Pavel Dibrov, Elena Dibrov, Grant Pierce
  • Publication number: 20200345682
    Abstract: Described herein is a process for antibiotic development comprising: (a) generating a compound of formula (III): or a salt or stereoisomer or prodrug thereof; wherein R1-R3 and R5-R10 are independently selected from H, alkyl group, substituted alkyl group, halogen, OH, NH2, or SH; R4 is H, alkyl group or substituted alkyl group; X1-X2 are independently selected from ?O, ?S, ?NH, H, alkyl, halogen, OH, SH, or NH2; W is a saturated acyclic hydrocarbon chain of 1 to 15 carbon atoms; and Z is a neutral or positively charged organic group comprising a nitrogen or phosphorus atom; and; and (b) determining efficacy of the compound to inhibit growth of a bacteria. Systems of drug development of these antibiotic compounds are also described.
    Type: Application
    Filed: July 15, 2020
    Publication date: November 5, 2020
    Inventors: Pavel Dibrov, Elena Dibrov, Grant Pierce
  • Patent number: 10744111
    Abstract: An antibiotic compound of formula (III): or a salt or stereoisomer thereof; wherein R1-R3 and R5-R10 are independently selected from the group consisting of H, alkyl group, substituted alkyl group, halogen, OH, NH2 and SH; R4 is H, alkyl group or substituted alkyl group; X1-X2 are independently selected from the group consisting of ?O, ?S, NH, H, alkyl, halogen, OH, SH and NH2; W is a saturated acyclic hydrocarbon chain of 1 to 15 carbon atoms; and Z is a neutral or positively charged organic group. The compounds are useful in treating bacterial diseases.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: August 18, 2020
    Inventors: Pavel Dibrov, Elena Dibrov, Grant Pierce
  • Publication number: 20190083450
    Abstract: An antibiotic compound of formula (III): or a salt or stereoisomer thereof; wherein R1-R3 and R5-R10 are independently selected from the group consisting of H, alkyl group, substituted alkyl group, halogen, OH, NH2 and SH; R4 is H, alkyl group or substituted alkyl group; X1-X2 are independently selected from the group consisting of ?O, ?S, NH, H, alkyl, halogen, OH, SH and NH2; W is a saturated acyclic hydrocarbon chain of 1 to 15 carbon atoms; and Z is a neutral or positively charged organic group. The compounds are useful in treating bacterial diseases.
    Type: Application
    Filed: November 15, 2018
    Publication date: March 21, 2019
    Inventors: Pavel Dibrov, Elena Dibrov, Grant Pierce
  • Patent number: 10166213
    Abstract: An antibiotic compound is of formula (I): R1-R3, R5 and R6 are independently selected from H, alkyl group, substituted alkyl group, halogen, OH, NH2, or SH; R4 is H, alkyl group or substituted alkyl group. X1-X2 are independently selected from O, S, NH, H, alkyl, halogen, OH, SH, or NH2. Y is an acyclic hydrocarbon chain having 4 to 20 carbon atoms or a substituted acyclic hydrocarbon chain having 4 to 20 carbon atoms, but does not include an oxygen atom. Z is CH3 or any neutral or positively charged group. The compound can also be a salt or stereoisomer of formula (I). The compounds are useful in treating bacterial diseases.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: January 1, 2019
    Inventors: Pavel Dibrov, Elena Dibrov, Grant Pierce
  • Publication number: 20180064680
    Abstract: An antibiotic compound is of formula (I): R1-R3, R5 and R6 are independently selected from H, alkyl group, substituted alkyl group, halogen, OH, NH2, or SH; R4 is H, alkyl group or substituted alkyl group. X1-X2 are independently selected from O, S, NH, H, alkyl, halogen, OH, SH, or NH2 Y is an acyclic hydrocarbon chain having 4 to 20 carbon atoms or a substituted acyclic hydrocarbon chain having 4 to 20 carbon atoms, but does not include an oxygen atom. Z is CH3 or any neutral or positively charged group. The compound can also be a salt or stereoisomer of formula (I). The compounds are useful in treating bacterial diseases.
    Type: Application
    Filed: April 22, 2016
    Publication date: March 8, 2018
    Inventors: Pavel Dibrov, Elena Dibrov, Grant Pierce
  • Patent number: 6890568
    Abstract: A composition for managing blood glucose levels is herein described. The composition comprises decocted tea and vanadate and does not cause the same side effects as vanadate and water mixtures known in the prior art. Specifically, the vanadate suspended in decocted tea does not cause diarrhea and in some cases stabilizes blood glucose at normal levels for several weeks after only a few treatments.
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: May 10, 2005
    Inventors: Grant Pierce, Clayton Heyliger
  • Publication number: 20040018224
    Abstract: A combination and a method for producing edible animal products with elevated levels of omega-3 fatty acids is described.
    Type: Application
    Filed: July 21, 2003
    Publication date: January 29, 2004
    Inventors: Grant Pierce, James Gilchrist, Anton Lukas
  • Publication number: 20030108625
    Abstract: A composition for managing blood glucose levels is herein described. The composition comprises decocted tea and vanadate and does not cause the same side effects as vanadate and water mixtures known in the prior art. Specifically, the vanadate suspended in decocted tea does not cause diarrhea and in some cases stabilizes blood glucose at normal levels for several weeks after only a few treatments.
    Type: Application
    Filed: September 17, 2002
    Publication date: June 12, 2003
    Inventors: Grant Pierce, Clayton Heyliger
  • Publication number: 20010053389
    Abstract: A composition for managing blood glucose levels is herein described. The composition comprises decocted tea and vanadate and does not cause the same side effects as vanadate and water mixtures known in the prior art. Specifically, the vanadate suspended in decocted tea does not cause diarrhea and in some cases stabilizes blood glucose at normal levels for several weeks after only a few treatments.
    Type: Application
    Filed: May 22, 2000
    Publication date: December 20, 2001
    Inventors: Grant Pierce, Clayton Heyliger