Patents by Inventor Rawle I. Hollingsworth

Rawle I. Hollingsworth 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).

  • Ordered polyacetylenes and process for the preparation thereof
    Patent number: 6492543
    Abstract: Polyacetylene compounds and process for the preparation thereof from a chiral dihydroxy amide are described. The compounds preferably have diacyl groups attached to the amide. The compounds are useful for making films which are electrically conductive, near infrared absorbing, polarizing, and have the characteristic optical and other properties of polyacetylenes.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: December 10, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventors: Rawle I. Hollingsworth, Guijun Wang
  • Process and intermediate compounds for the preparation of pyrrolidines
    Patent number: 6492534
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: December 10, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventor: Rawle I. Hollingsworth
  • Process and intermediate compounds for the preparation of pyrrolidines
    Patent number: 6482973
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: November 19, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventor: Rawle I. Hollingsworth
  • Process and intermediate compounds for the preparation of pyrrolidines
    Patent number: 6482974
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: November 19, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventor: Rawle I. Hollingsworth
  • Process for the preparation of 1,5-dideoxy-1,5-imino hexitols from oximes or imines
    Patent number: 6462197
    Abstract: A process for the preparation of 1,5-dideoxy-1,5-imino hexitols of a hexose sugars from novel hydroxyl protected oxime intermediates. The process includes formation of a lactam which is reduced to the hexitol. The hexitols are useful as drugs.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: October 8, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventors: Rawle I. Hollingsworth, Gabriela Pistia-Brueggeman
  • Process and intermediate compounds for the preparation of pyrrolidines
    Patent number: 6423867
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Grant
    Filed: September 4, 2001
    Date of Patent: July 23, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventor: Rawle I. Hollingsworth
  • Process and intermediate compounds for the preparation of pyrrolidines
    Patent number: 6414163
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Grant
    Filed: August 2, 2000
    Date of Patent: July 2, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventor: Rawle I. Hollingsworth
  • Process for the preparation of 1,5-dideoxy-1, 5-imino hexitols from oximes or imines
    Publication number: 20020068819
    Abstract: A process for the preparation of 1,5-dideoxy-1,5-imino hexitols of a hexose sugars from novel hydroxyl protected oxime intermediates. The process includes formation of a lactam which is reduced to the hexitol. The hexitols are useful as drugs.
    Type: Application
    Filed: October 4, 2001
    Publication date: June 6, 2002
    Applicant: Board of Trustees operating Michigan State University
    Inventors: Rawle I. Hollingsworth, Gabriela Pistia-Brueggeman
  • Ordered polyacetylenes and process for the preparation thereof
    Patent number: 6399842
    Abstract: Polyacetylene compounds and process for the preparation thereof from a chiral dihydroxy amide are described. The compounds preferably have diacyl groups attached to the amide. The compounds are useful for making films which are electrically conductive, near infrared absorbing, polarizing, and have the characteristic optical and other properties of polyacetylenes.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: June 4, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventors: Rawle I. Hollingsworth, Guijun Wang
  • Ordered polyacetylenes and process for the preparation thereof
    Patent number: 6395868
    Abstract: Polyacetylene compounds and process for the preparation thereof from a chiral dihydroxy amide are described. The compounds preferably have diacyl groups attached to the amide. The compounds are useful for making films which are electrically conductive, near infrared absorbing, polarizing, and have the characteristic optical and other properties of polyacetylenes.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: May 28, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventors: Rawle I. Hollingsworth, Guijun Wang
  • Ordered polyacetylenes and process for the preparation thereof
    Patent number: 6392110
    Abstract: Polyacetylene compounds and process for the preparation thereof from a chiral dihydroxy amide are described. The compounds preferably have diacyl groups attached to the amide. The compounds are useful for making films which are electrically conductive, near infrared absorbing, polarizing, and have the optical characteristic and other properties of polyacetylenes.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: May 21, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventors: Rawle I. Hollingsworth, Guijun Wang
  • Ordered polyacetylenes and process for the preparation thereof
    Patent number: 6392112
    Abstract: Polyacetylene compounds and process for the preparation thereof from a chiral dihydroxy amide are described. The compounds preferably have diacyl groups attached to the amide. The compounds are useful for making films which are electrically conductive, near infrared absorbing, polarizing, and have the optical characteristic and other properties of polyacetylenes.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: May 21, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventors: Rawle I. Hollingsworth, Guijun Wang
  • Ordered polyacetylenes and process for the preparation thereof
    Patent number: 6388085
    Abstract: Polyacetylene compounds and process for the preparation thereof from a chiral dihydroxy amide are described. The compounds preferably have diacyl groups attached to the amide. The compounds are useful for making films which are electrically conductive, near infrared absorbing, polarizing, and have the characteristic optical and other properties of polyacetylenes.
    Type: Grant
    Filed: August 23, 2000
    Date of Patent: May 14, 2002
    Assignee: Board of Trustees of Michigan State University
    Inventors: Rawle I. Hollingsworth, Guijun Wang
  • Process for the preparation of 1,5-dideoxy-1,5-imino hexitols from oximes or imines
    Publication number: 20020052506
    Abstract: A process for the preparation of 1,5-dideoxy -1,5-imino hexitols of a hexose sugars from novel hydroxyl protected oxime intermediates. The process includes formation of a lactam which is reduced to the hexitol. The hexitols are useful as drugs.
    Type: Application
    Filed: October 4, 2001
    Publication date: May 2, 2002
    Applicant: Board of Trustees operating Michigan State University
    Inventors: Rawle I. Hollingsworth, Gabriela Pistia-Brueggeman
  • Process for the preparation of 1,5-dideoxy-1,5-imino hexitols from oximes or imines
    Publication number: 20020052505
    Abstract: A process for the preparation of 1,5-dideoxy -1,5-imino hexitols of a hexose sugars from novel hydroxyl protected oxime intermediates. The process includes formation of a lactam which is reduced to the hexitol. The hexitols are useful as drugs.
    Type: Application
    Filed: October 4, 2001
    Publication date: May 2, 2002
    Applicant: Board of Trustees Operating Michigan State University
    Inventors: Rawle I. Hollingsworth, Gabriela Pistia-Brueggeman
  • Process and intermediate compounds for the preparation of pyrrolidines
    Publication number: 20020026071
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Application
    Filed: September 4, 2001
    Publication date: February 28, 2002
    Applicant: Board of Trustees, operating Michigan State University
    Inventor: Rawle I. Hollingsworth
  • Process and intermediate compounds for the preparation of pyrrolidines
    Publication number: 20020026073
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Application
    Filed: September 4, 2001
    Publication date: February 28, 2002
    Applicant: Board of Trustees operating Michigan state University
    Inventor: Rawle I. Hollingsworth
  • Process and intermediate compounds for the preparation of pyrrolidines
    Publication number: 20020026074
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Application
    Filed: September 4, 2001
    Publication date: February 28, 2002
    Applicant: Board of Trustees Operating Michigan State Univers
    Inventor: Rawle I. Hollingsworth
  • Process and intermediate compounds for the preparation of pyrrolidines
    Publication number: 20020026072
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Application
    Filed: September 4, 2001
    Publication date: February 28, 2002
    Applicant: Board of Trustees operating Michigan State University
    Inventor: Rawle I. Hollingsworth
  • Process and intermediate compounds for the preparation of pyrrolidines
    Publication number: 20020019542
    Abstract: Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
    Type: Application
    Filed: September 4, 2001
    Publication date: February 14, 2002
    Applicant: Michigan State University Board of Trustees operating
    Inventor: Rawle I. Hollingsworth