Patents by Inventor Chu-Yi Yu

Chu-Yi Yu 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).

  • MANUFACTURING METHOD OF CONTACT LENSES
    Publication number: 20220250343
    Abstract: A manufacturing method of contact lenses includes a step of: hydrating a lens body. The strep of hydrating the lens body includes steps of: providing the lens body; preparing a hydration solution, wherein the hydration solution is a 5-95 v/v % alcohol ether aqueous solution; soaking the lens body in the hydration solution for at least 30 minutes; and soaking the lens body in water for at least 15 minutes to form a contact lens.
    Type: Application
    Filed: February 9, 2022
    Publication date: August 11, 2022
    Inventors: CHU-YI YU, YAO-TSUNG CHENG, WEI-HANG HSU
  • DIAMONDOID DERIVATIVES POSSESSING THERAPEUTIC ACTIVITY IN THE TREATMENT OF VIRAL DISORDERS
    Publication number: 20080300317
    Abstract: This invention relates to diamondoid derivatives which exhibit therapeutic activity. Specifically, the diamondoid derivatives herein exhibit therapeutic effects in the treatment of viral disorders. Also provided are methods of treatment, prevention and inhibition of viral disorders in a subject in need.
    Type: Application
    Filed: May 22, 2008
    Publication date: December 4, 2008
    Applicant: Chevron U.S.A. Inc.
    Inventors: Chu-Yi Yu, Deyuan Kong, Frederick W. Lam, Steven F. Sciamanna, Earl Shelton, Shenggao Liu, Robert M. Carlson
  • New substituted pyridine or piperidine compounds
    Publication number: 20060211731
    Abstract: The invention relates to a compound of formula (I): wherein: A represents pyridine, pyridinium, or piperidine, R1, R2, R3 and R4 are as defined in the description R5 represents hydrogen or a group of formula (II): R6 represents hydrogen or linear or branched (C1-C6)alkyl, and medicinal products containing the same which are useful in treating pain or deficiencies in memory.
    Type: Application
    Filed: May 22, 2006
    Publication date: September 21, 2006
    Applicant: LES LABORATORIES SERVIER
    Inventors: Otto Meth-Cohn, Chu-Yi Yu, Pierre Lestage, Marie-Cecile Lebrun, Daniel-Henri Caignard, Pierre Renard
  • New substituted pyridine or piperidine compounds
    Publication number: 20050004168
    Abstract: The invention relates to a compound of formula (I): wherein: A represents pyridine, pyridinium or piperidine R1, R2, R3 and R4 the are as defined in the description R5 represents hydrogen, a nitrogen-containing heterocycle or a group of formula (II): R6 represents hydrogen or linear or branched (C1-C6)alkyl. and medicinal products containing the same which are useful in treating pain or deficiencies in memory.
    Type: Application
    Filed: May 13, 2004
    Publication date: January 6, 2005
    Inventors: Otto Meth-Cohn, Chu-Yi Yu, Pierre Lestage, Marie-Cecile Lebrun, Daniel-Henri Caignard, Pierre Renard
  • Substituted pyridine or piperidine compounds
    Patent number: 6734196
    Abstract: The invention relates to a compound of formula (I): wherein: A represents pyridine, pyridinium or piperidine R1, R2, R3 and R4 are as defined in the description R5 represents hydrogen, a nitrogen-containing heterocycle or a group of formula (II): R6 represents hydrogen or linear or branched (C1-C6)alkyl. and medicinal products containing the same which are useful in treating pain or deficiencies in memory.
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: May 11, 2004
    Assignee: Les Laboratoires Servier
    Inventors: Otto Meth-Cohn, Chu-Yi Yu, Pierre Lestage, Marie-Cécile Lebrun, Daniel-Henri Caignard, Pierre Renard
  • Substituted pyridine or piperidine compounds
    Patent number: 6638946
    Abstract: The invention relates to a compound of formula (I): wherein: A represents pyridine, pyridinium or piperidine R1, R2, R3 and R4 are as defined in the description R5 represents hydrogen, a nitrogen-containing heterocycle or a group of formula (II): R6 represents hydrogen or linear or branched (C1-C6)alkyl. and medicinal products containing the same which are useful in treating pain or deficiencies in memory.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: October 28, 2003
    Assignee: Les Laboratoires Servier
    Inventors: Otto Meth-Cohn, Chu-Yi Yu, Pierre Lestage, Marie-Cécile Lebrun, Daniel-Henri Caignard, Pierre Renard
  • New substituted pyridine or piperidine compounds
    Publication number: 20030181484
    Abstract: The invention relates to a compound of formula (I): 1
    Type: Application
    Filed: March 3, 2003
    Publication date: September 25, 2003
    Inventors: Otto Meth-Cohn, Chu-Yi Yu, Pierre Lestage, Marie-Cecile Lebrun, Daniel-Henri Caignard, Pierre Renard
  • Substituted pyridine or piperidine compounds
    Publication number: 20030139408
    Abstract: The invention relates to a compound of formula (I): 1
    Type: Application
    Filed: November 27, 2002
    Publication date: July 24, 2003
    Inventors: Otto Meth-Cohn, Chu-Yi Yu, Pierre Lestage, Marie-Cecile Lebrun, Daniel-Henri Caignard, Pierre Renard
  • Substituted pyridine or piperidine compounds
    Patent number: 6511992
    Abstract: The invention relates to a compound of formula (I): wherein: A represents pyridine, pyridinium or piperidine R1, R2, R3 and R4 are as defined in the description R5 represents hydrogen, a nitrogen-containing heterocycle or a group of formula (II) R6 represents hydrogen or linear or branched (C1-C6)alkyl; and medicinal products containing the same which are useful in treating pain or deficiencies in memory.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: January 28, 2003
    Assignee: les Laboratories Servier
    Inventors: Otto Meth-Cohn, Chu-Yi Yu, Pierre Lestage, Marie-Cécile Lebrun, Daniel-Henri Caignard, Pierre Renard
  • New substituted pyridine or piperidine compounds
    Publication number: 20020040036
    Abstract: The invention relates to a compound of formula (I): 1
    Type: Application
    Filed: September 25, 2001
    Publication date: April 4, 2002
    Applicant: ADIR ET COMPAGNIE
    Inventors: Otto Meth-Cohn, Chu-Yi Yu, Pierre Lestage, Marie-Cecile Lebrun, Daniel-Henri Caignard, Pierre Renard
  • New substituted pyridine or piperidine compounds
    Publication number: 20020035123
    Abstract: The invention relates to a compound of formula (I): 1
    Type: Application
    Filed: September 25, 2001
    Publication date: March 21, 2002
    Applicant: ADIR ET COMPAGNIE
    Inventors: Otto Meth-Cohn, Chu-Yi Yu, Pierre Lestage, Marie-Cecile Lebrun, Daniel-Henri Caignard, Pierre Renard
  • Substituted pyridine or piperidine compounds
    Patent number: 6323220
    Abstract: The invention relates to a compound of formula (I): wherein: A represents pyridine, pyridinium or piperidine R1, R2, R3 and R4 are as defined in the description R5 represents hydrogen, a nitrogen-containing heterocycle or a group of R6 represents hydrogen or linear or branched (C1-C6)alkyl. and medicinal products containing the same which are useful in treating pain or deficiencies in memory.
    Type: Grant
    Filed: May 4, 2000
    Date of Patent: November 27, 2001
    Assignee: Adir et Compagnie
    Inventors: Otto Meth-Cohn, Chu-Yi Yu, Pierre Lestage, Marie-Cécile Lebrun, Daniel-Henri Caignard, Pierre Renard