Patents by Inventor Wenjing Xiao

Wenjing Xiao 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).

  • Patent number: 8765978
    Abstract: The present invention relates to a method of making indeno-fused naphthol materials, that involves, with some embodiments, forming an indanone acid intermediate, which can be represented by the following general Formula V, With Formula V, m is from 0 to 4, and R1 for each m, Rg and Rh can each be independently selected from, for example, hydrogen and hydrocarbyl. The present invention also relates to a method of making an indeno-fused naphthopyran that involves an indanone acid intermediate synthetic route.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: July 1, 2014
    Assignee: Transitions Optical, Inc.
    Inventors: Anu Chopra, Barry Van Gemert, Wenjing Xiao, Huayun Yu
  • Patent number: 8741188
    Abstract: The present invention provides ophthalmic devices comprising at least one photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic materials. Other non-limiting embodiments relate to methods of making the ophthalmic devices comprising photochromic materials.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: June 3, 2014
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank F. Molock, Jr., Victor A. Montes, Stephen D. Straight, Wenjing Xiao, Huayun Yu
  • Patent number: 8647538
    Abstract: The present invention relates to photochromic compounds that include at least two photochromic moieties that are linked together by a multivalent linking group. The multivalent linking group can be selected so as to be flexible and/or substantially prevent electronic interaction between any two photochromic moieties through the multivalent linking group. The present invention also relates to photochromic compositions and articles that include at least a photochromic amount of one or more photochromic compounds of the present invention.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: February 11, 2014
    Assignee: Transitions Optical, Inc.
    Inventors: Yunyi Lu, Wenjing Xiao, Robert W. Walters, Feng Wang, M. Frank Haley, Jason R. Lewis, Anu Chopra, Beon-Kyu Kim, Huayun Yu
  • Publication number: 20130065056
    Abstract: The present invention provides ophthalmic devices comprising at least one photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic materials. Other non-limiting embodiments relate to methods of making the ophthalmic devices comprising photochromic materials.
    Type: Application
    Filed: March 12, 2012
    Publication date: March 14, 2013
    Inventors: Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowies, Frank F. Molock, JR., Victor A. Montes, Stephen D. Straight, Wenjing Xiao, Huayun Yu
  • Patent number: 8388872
    Abstract: The present invention provides a photochromic material which is an indeno-fused naphthopyran of structural formulas I or II, having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic material.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: March 5, 2013
    Assignee: Transitions Optical, Inc.
    Inventors: Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank F. Molock, Jr., Victor A. Montes, Stephen D. Straight, Wenjing Xiao, Huayun Yu
  • Publication number: 20120157696
    Abstract: The present invention relates to a method of making indeno-fused naphthol materials, that involves, with some embodiments, forming an indanone acid intermediate, which can be represented by the following general Formula V, With Formula V, m is from 0 to 4, and R1 for each m, Rg and Rh can each be independently selected from, for example, hydrogen and hydrocarbyl. The present invention also relates to a method of making an indeno-fused naphthopyran that involves an indanone acid intermediate synthetic route.
    Type: Application
    Filed: December 13, 2011
    Publication date: June 21, 2012
    Applicant: TRANSITIONS OPTICAL, INC.
    Inventors: Anu Chopra, Barry Van Gemert, Wenjing Xiao, Huayun Yu
  • Publication number: 20120156508
    Abstract: Described herein are compounds generally comprising an indeno[2?,3?:3,4]naptho[1,2-b]pyran structure. Such compounds may be useful for their photochromic properties, and be used in certain photochromic compositions. Such compositions may further comprise other photochromic compositions and/or materials. Additionally, such compounds and/or compositions may be suitable for preparing certain photochromic articles.
    Type: Application
    Filed: December 14, 2011
    Publication date: June 21, 2012
    Applicant: TRANSITIONS OPTICAL, INC.
    Inventors: Meng He, Darrin R. Dabideen, Sujit Mondal, Xiao-Man Dai, Ruisong Xu, Wenjing Xiao, Massimiliano Tomasulo, Huayun Yu, Anu Chopra, Anil Kumar
  • Publication number: 20120156521
    Abstract: Described herein are compounds generally comprising an indeno[2?,3?:3,4]naptho[1,2-b]pyran structure. Such compounds may be useful for their photochromic properties, and be used in certain photochromic compositions. Such compositions may further comprise other photochromic compositions and/or materials. Additionally, such compounds and/or compositions may be suitable for preparing certain photochromic articles. Also described herein are methods for preparing certain photochromic compounds, compositions, and articles.
    Type: Application
    Filed: December 7, 2011
    Publication date: June 21, 2012
    Applicant: TRANSITIONS OPTICAL, INC.
    Inventors: Meng He, Darrin R. Dabideen, Xiao-Man Dai, Wenjing Xiao, Ruisong Xu, Sujit Mondal, Anil Kumar, Anu Chopra
  • Publication number: 20120145973
    Abstract: The present invention relates to photochromic materials that include one or more indeno-fused naphthopyrans that have particular groups at the 7, 11, and 13 positions thereof, and at the position alpha to the oxygen of the pyran ring thereof. With some embodiments, hydrogen or an alkoxy group is bonded to the 7 position, an optionally substituted phenyl is bonded to the 11 position, two alkyl groups are bonded to the 13 position, and two optionally substituted phenyl groups are bonded to the position alpha to the oxygen of the pyran ring of the indeno-fused naphthopyran compound. The 13 position of the indeno-fused naphthopyrans is free of ether groups in which an ether oxygen is bonded to the 13 position, and hydroxyl. The present invention also relates to photochromic articles and compositions that include such indeno-fused naphthopyrans.
    Type: Application
    Filed: December 8, 2011
    Publication date: June 14, 2012
    Applicant: TRANSITIONS OPTICAL INC.
    Inventors: Kevin E. Bancroft, Anu Chopra, Xiao-Man Dai, Beon-Kyu Kim, David B. Knowles, Jason R. Lewis, Victor A. Montes, Stephen D. Straight, Massimiliano Tomasulo, Barry Van Gemert, Robert W. Walters, Wenjing Xiao, Huayun Yu, Elizabeth A. Zezinka
  • Publication number: 20120145975
    Abstract: The present invention provides a photochromic material which is an indeno-fused naphthopyran of structural formulas I or II, having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic material.
    Type: Application
    Filed: February 21, 2012
    Publication date: June 14, 2012
    Applicant: TRANSITIONS OPTICAL, INC.
    Inventors: Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank Molock, Victor A. Montes, Stephen D. Straight, Wenjing Xiao, Huayun Yu
  • Publication number: 20120136148
    Abstract: The present invention relates to photochromic compounds that include at least two photochromic moieties that are linked together by a multivalent linking group. The multivalent linking group can be selected so as to be flexible and/or substantially prevent electronic interaction between any two photochromic moieties through the multivalent linking group. The present invention also relates to photochromic compositions and articles that include at least a photochromic amount of one or more photochromic compounds of the present invention.
    Type: Application
    Filed: November 22, 2011
    Publication date: May 31, 2012
    Applicant: TRANSITIONS OPTICAL, INC.
    Inventors: Yunyi Lu, Wenjing Xiao, Robert W. Walters, Feng Wang, M. Frank Haley, Jason R. Lewis, Anu Chopra, Beon-Kyu Kim, Huayun Yu
  • Publication number: 20120132870
    Abstract: The present invention relates to indeno-fused naphthopyrans, and in particular indeno[2?,3?:3,4]naphtho[1,2-b]pyrans having certain groups bonded to the 3, 6, 7, 11, and 13 positions thereof. The indeno-fused naphthopyrans of the present invention have an ethylenically unsaturated group selected from (C1-C6 alkyl)acrylate and (C1-C6 alkyl)acrylamide, that is linked to the 11 position or 13 position thereof. The present invention also relates to photochromic articles and photochromic compositions containing such indeno-fused naphthopyrans.
    Type: Application
    Filed: December 15, 2011
    Publication date: May 31, 2012
    Applicant: TRANSITIONS OPTICAL INC.
    Inventors: Wenjing Xiao, Barry Van Gemert
  • Patent number: 8158037
    Abstract: The present invention provides ophthalmic devices comprising at least one photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic materials. Other non-limiting embodiments relate to methods of making the ophthalmic devices comprising photochromic materials.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: April 17, 2012
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank F. Molock, Jr., Victor A. Montes, Stephen D. Straight, Wenjing Xiao, Huayun Yu
  • Patent number: 8147725
    Abstract: The present invention provides a photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic material.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: April 3, 2012
    Assignee: Transitions Optical, Inc
    Inventors: Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank Molock, Victor A. Montes, Stephen D. Straight, Wenjing Xiao, Huayun Yu
  • Publication number: 20110049445
    Abstract: The present invention provides ophthalmic devices comprising at least one photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic materials. Other non-limiting embodiments relate to methods of making the ophthalmic devices comprising photochromic materials.
    Type: Application
    Filed: September 1, 2010
    Publication date: March 3, 2011
    Inventors: Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank F. Molock, JR., Victor A. Montes, Stephen D. Straight, Wenjing Xiao, Huayun Yu
  • Publication number: 20110042629
    Abstract: The present invention provides a photochromic material which is an indeno-fused naphthopyran having a pi-conjugation extending group bonded to the 11-position of the indeno-fused naphthopyran, the pi-conjugation extending group having at least one pendent halo-substituted group bonded thereto. The pi-conjugation extending group extends the pi-conjugation system of said indeno-fused naphthopyran. The 13-position of the indeno-fused naphthopyran is substantially free of spiro-substituents. The invention further provides photochromic materials of specified structure, photochromic compositions, photochromic articles and optical elements that include the photochromic material.
    Type: Application
    Filed: September 1, 2010
    Publication date: February 24, 2011
    Applicant: TRANSITIONS OPTICAL, INC.
    Inventors: Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank Molock, Victor A. Montes, Stephen D. Straight, Wenjing Xiao, Huayun Yu
  • Patent number: 7556750
    Abstract: Various non-limiting embodiments of the present disclosure relate to photochromic materials comprising a reactive substituent. For example, the present disclosure contemplates photochromic materials, such as photochromic naphthopyrans and indeno-fused naphthopyrans having a reactive substituent comprising a reactive moiety linked to the photochromic naphthopyran by one or more linking groups. In certain non-limiting embodiments, the reactive moiety comprises a polymerizable moiety. In other non-limiting embodiments, the reactive moiety comprises a nucleophilic moiety or an electrophilic moiety. Other non-limiting embodiments of the present disclosure relate to photochromic articles, compositions, and methods of making the photochromic articles, wherein the photochromic articles and compositions comprise the photochromic naphthopyrans described herein.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: July 7, 2009
    Assignee: Transitions Optical, Inc.
    Inventors: Wenjing Xiao, Barry Van Gemert
  • Publication number: 20090072206
    Abstract: Various non-limiting embodiments disclosed herein relate to ophthalmic devices comprising photochromic materials having extended pi-conjugated systems. For example, various non-limiting embodiments disclosed herein provide a photochromic material, such as an indeno-fused naphthopyran, which comprises a group that extends the pi-conjugated system of the indeno-fused naphthopyran bonded at the 11-position of thereof. Further, the photochromic materials according to certain non-limiting embodiments disclosed herein may display hyperchromic absorption of electromagnetic radiation as compared to conventional photochromic materials and/or may have a closed-form absorption spectrum that is bathochromically shifted as compared to conventional photochromic materials. Other non-limiting embodiments relate to methods of making the ophthalmic devices comprising photochromic materials.
    Type: Application
    Filed: November 6, 2008
    Publication date: March 19, 2009
    Inventors: Beon-Kyu Kim, Jun Deng, Wenjing Xiao, Barry Van Gemert, Anu Chopra, Frank Molock, Shivkumar Mahadevan
  • Publication number: 20090032782
    Abstract: Various non-limiting embodiments disclosed herein relate to photochromic materials having extended pi-conjugated systems, such as an indeno-fused naphthopyran, which comprises a group that extends the pi-conjugated system of the indeno-fused naphthopyran bonded at the 11-position thereof. Further, the photochromic materials according to certain non-limiting embodiments disclosed herein may display hyperchromic absorption of electromagnetic radiation as compared to conventional photochromic materials and/or may have a closed-form absorption spectrum that is bathochromically shifted as compared to conventional photochromic materials. Other non-limiting embodiments relate to photochromic compositions and photochromic articles, such as optical elements, made using the disclosed photochromic materials, and methods of making the same.
    Type: Application
    Filed: June 10, 2008
    Publication date: February 5, 2009
    Applicant: TRANSITIONS OPTICAL, INC.
    Inventors: Beon-Kyu Kim, Jun Deng, Wenjing Xiao, Barry Van Gemert, Anu Chopra
  • Patent number: 7481955
    Abstract: Various non-limiting embodiments of the present invention relate to photochromic materials having a metallocenyl group. More particularly, various non-limiting embodiments disclosed herein provide photochromic materials including an indeno-fused naphthopyran, such as an indeno[2?,3?:3,4]naphtho[1,2-b]pyran, and a metallocenyl group bonded to at least one available position on the indeno-fused naphthopyran. Other non-limiting embodiments disclosed herein provide photochromic composition and photochromic articles, such as but not limited to ophthalmic lens, which include the disclosed photochromic materials and method of making the same.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: January 27, 2009
    Assignee: Transitions Optical, Inc.
    Inventor: Wenjing Xiao