Patents Assigned to Bezwada Biomedical, LLC
  • Publication number: 20110130448
    Abstract: The present invention relates to a compound of the formula: R-AR—O—Y—R? Wherein R represents one or more members selected from H, alkoxy, benzyloxy, aldehyde, halogen, carboxylic acid, —NO2, —NH2, —NHCOCH3, and —NH—Y—R?, which is attached directly to AR or attached through an aliphatic chain. The carboxylic acid moiety in R includes but is not limited to the following carboxylic acids: benzoic acids, cinnamic acids, ferulic acid, caffeic acid, syringic acid, salicyclic acid, vanillic acid, phenylacetic acids, phenylpropionic acids, and sinapinic acid. -AR—O— is a biologically active phenolic moiety comprising 1 to 6 substituted or unsubstituted aryl rings that are directly bonded to each other, fused together, or joined through a linking group.
    Type: Application
    Filed: December 7, 2010
    Publication date: June 2, 2011
    Applicant: Bezwada Biomedical LLC
    Inventor: Rao S. Bezwada
  • Patent number: 7935843
    Abstract: The present invention relates to dephenolic compounds, an example of which is shown below, which are functionalized, and polymers formed from the same. Polymers formed from the functionalized diphenolics are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range. The polymers are also expected to be useful in a variety of medical applications.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: May 3, 2011
    Assignee: Bezwada Biomedical, LLC
    Inventor: Rao S Bezwada
  • Patent number: 7902319
    Abstract: The present invention relates to compounds and compositions of formula I, which are unsymmetrical aromatic ether diacids, and polymers formed from the same. [R?—(Y)p—O]q—Ar—[O—(X)r—R?]s??I The compounds are expected to be useful in a variety of medical and/or cosmetics applications. Polymers formed from the functionalized unsymmetrical aromatic ether diacids are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range.
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: March 8, 2011
    Assignee: Bezwada Biomedical, LLC
    Inventor: Rao S. Bezwada
  • Patent number: 7858077
    Abstract: The present invention relates to a compound of the formula: R-AR—O—Y—R? Wherein R represents one or more members selected from H, alkoxy, benzyloxy, aldehyde, halogen, carboxylic acid, —NO2, —NH2, —NHCOCH3, and —NH—Y—R?, which is attached directly to AR or attached through an aliphatic chain. The carboxylic acid moiety in R includes but is not limited to the following carboxylic acids: benzoic acids, cinnamic acids, ferulic acid, caffeic acid, syringic acid, salicylic acid, vanillic acid, phenylacetic acids, phenylpropionic acids, and sinapinic acid. -AR—O— is a biologically active phenolic moiety comprising 1 to 6 substituted or unsubstituted aryl rings that are directly bonded to each other, fused together, or joined through a linking group.
    Type: Grant
    Filed: September 6, 2005
    Date of Patent: December 28, 2010
    Assignee: Bezwada Biomedical LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20100260702
    Abstract: Absorbable polyurethanes, polyamides and polyester urethanes prepared from at least one compound selected from: or the diamines and diisocyanates thereof, wherein each X represents a member independently selected from —CH2COO— (glycolic acid moiety), —CH(CH3)COO— (lactic acid moiety), —CH2CH2OCH2COO— (dioxanone), —CH2CH2CH2CH2CH2COO— (caprolactone moiety), —(CH2)yCOO— where y is one of the numbers 2, 3, 4 or 6-24 inclusive, and —(CH2CH2O)z?CH2COO— where z? is an integer between 2 and 24, inclusive; each Y represents a member independently selected from —COCH2O— (glycolic ester moiety), —COCH(CH3)O— (lactic ester moiety), —COCH2OCH2CH2O— (dioxanone ester), —COCH2CH2CH2CH2CH2O— (caprolactone ester), —CO(CH2)mO— where m is an integer between 2, 3, 4 or 6-24 inclusive, —COCH2O(CH2CH2O)n— where n is an integer between 2 and 24, inclusive; R? is hydrogen, benzyl or an alkyl group, the alkyl group being either straight-chained or branched; p is an integer between 1 and 4, inclusive; and Rn represents one or more
    Type: Application
    Filed: June 25, 2010
    Publication date: October 14, 2010
    Applicant: Bezwada Biomedical LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20100209469
    Abstract: The present invention provides NO and, optionally, drug releasing macromers and oligomers wherein the drug molecule and NO releasing moiety are linked an absorbable macromer or oligomeric chain susceptible to hydrolytic degradation and wherein the macromer or oligomer comprises of repeat units derived from safe and biocompatible molecules such as glycolic acid, lactic acid, caprolactone and p-dioxanone. Furthermore, the present invention relates to controlled release of nitric oxide (NO) and/or drug molecule from a NO and drug releasing macromer or oligomer. Moreover, the present invention also relates to medical devices, medical device coatings and therapeutic formulations comprising of nitric oxide and drug releasing macromers and oligomers of the present invention.
    Type: Application
    Filed: July 24, 2009
    Publication date: August 19, 2010
    Applicant: BEZWADA BIOMEDICAL, LLC.
    Inventor: Rao S. Bezwada
  • Patent number: 7772352
    Abstract: Absorbable polyurethanes, polyamides and polyester urethanes prepared from at least one compound selected from: or the diamines and diisocyanates thereof, wherein each X represents a member independently selected from —CH2COO— (glycolic acid moiety), —CH(CH3)COO— (lactic acid moiety), —CH2CH2OCH2COO— (dioxanone), —CH2CH2CH2CH2CH2COO— (caprolactone moiety), —(CH2)yCOO— where y is one of the numbers 2, 3, 4 or 6-24 inclusive, and —(CH2CH2O)z?CH2COO— where z? is an integer between 2 and 24, inclusive; each Y represents a member independently selected from —COCH2O— (glycolic ester moiety), —COCH(CH3)O— (lactic ester moiety), —COCH2OCH2CH2O— (dioxanone ester), —COCH2CH2CH2CH2CH2O— (caprolactone ester), —CO(CH2)mO— where m is an integer between 2, 3, 4 or 6-24 inclusive, —COCH2O(CH2CH2O)n— where n is an integer between 2 and 24, inclusive; R? is hydrogen, benzyl or an alkyl group, the alkyl group being either straight-chained or branched; p is an integer between 1 and 4, inclusive; and Rn represents one or more
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: August 10, 2010
    Assignee: Bezwada Biomedical LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20100152272
    Abstract: Compounds selected from: where DRUG-OH, DRUG-COOH and DRUG-NH2 are biologically active compounds; each X is independently selected from —CH2COO— (glycolic acid moiety), —CH(CH3)COO— (lactic acid moiety), —CH2CH2OCH2COO— (dioxanone moiety), —CH2CH2CH2CH2CH2COO— (caprolactone moiety), —(CH2)yCOO—, where y is 2-4 or 6-24 and —(CH2CH2O)zCH2COO—, where z is 2-24; each Y is independently selected from —COCH2O— (glycolic ester moiety), —COCH(CH3)O— (lactic ester moiety), —COCH2OCH2CH2O— (dioxanone ester moiety), —COCH2CH2CH2CH2CH2O— (caprolactone ester moiety), —CO(CH2)mO—, where m is 2-4 or 6-24 and —COCH2O(CH2CH2O)n— where n is between 2-24; R? is hydrogen, benzyl or an alkyl group, the alkyl group being either straight-chained or branched; and p is 1-6. Multi-functional compounds and drug dimers, oligomers and polymers are also disclosed.
    Type: Application
    Filed: February 17, 2010
    Publication date: June 17, 2010
    Applicant: BEZWADA BIOMEDICAL, LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20100113592
    Abstract: The present invention relates to compounds and compositions of formula I, which are unsymmetrical aromatic ether diacids, and polymers formed from the same. [R?—(Y)p—O]q—Ar—[O—(X)r—R?]s??I The compounds are expected to be useful in a variety of medical and/or cosmetics applications. Polymers formed from the functionalized unsymmetrical aromatic ether diacids are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range.
    Type: Application
    Filed: January 8, 2010
    Publication date: May 6, 2010
    Applicant: Bezwada Biomedical, LLC
    Inventor: Rao S. Bezwada
  • Patent number: 7691364
    Abstract: Compounds selected from: where DRUG-OH, DRUG-COOH and DRUG-NH2 are biologically active compounds; each X is independently selected from —CH2COO-(glycolic acid moiety), —CH(CH3)COO-(lactic acid moiety), —CH2CH2OCH2COO-(dioxanone moiety), —CH2CH2CH2CH2CH2COO-(caprolactone moiety), —(CH2)yCOO—, where y is 2-4 or 6-24 and —(CH2CH2O)zCH2COO—, where z is 2-24; each Y is independently selected from —COCH2O-(glycolic ester moiety), —COCH(CH3)O-(lactic ester moiety), —COCH2OCH2CH2O-(dioxanone ester moiety), —COCH2CH2CH2CH2CH2O-(caprolactone ester moiety), —CO(CH2)mO—, where m is 2-4 or 6-24 and —COCH2O(CH2CH2O)n-where n is between 2-24; R? is hydrogen, benzyl or an alkyl group, the alkyl group being either straight-chained or branched; and p is 1-6. Multi-functional compounds and drug dimers, oligomers and polymers are also disclosed.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: April 6, 2010
    Assignee: Bezwada Biomedical, LLC
    Inventor: Rao S. Bezwada
  • Patent number: 7671168
    Abstract: The present invention relates to compounds of formula I, which are unsymmetrical aromatic ether diacids, and polymers formed from the same. [R?—(Y)p—O]q—Ar—[O—(X)r—R?]s ??I Polymers formed from the functionalized unsymmetrical aromatic ether diacids are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range. The polymers are also expected to be useful in a variety of medical applications.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: March 2, 2010
    Assignee: Bezwada Biomedical, LLC
    Inventor: Rao S Bezwada
  • Publication number: 20090285896
    Abstract: Novel biodegradable polyesteramides derived from optionally functionalized diacids and optionally functionalized diamines or from compounds having both optionally functionalized acid and optionally functionalized amine moieties, their preparation, and absorbable surgical articles fabricated therefrom, such as monofilament and multifilament sutures, films, sheets, plates, clips, staples, pins, screws, stents, stent coatings, packaging materials, and other implantable surgical devices, and the like, are described herein.
    Type: Application
    Filed: May 15, 2009
    Publication date: November 19, 2009
    Applicant: Bezwada BioMedical, LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20090170927
    Abstract: The present invention relates to compounds of formula I, which are functionalized phenolic compounds, and polymers formed from the same. Ar—[O—(X)p—R?]q??I Polymers formed from the functionalized phenolics are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range. The polymers are also expected to be useful in a variety of medical applications.
    Type: Application
    Filed: October 16, 2006
    Publication date: July 2, 2009
    Applicant: BEZWADA BIOMEDICAL, LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20090105352
    Abstract: This invention relates to the discovery of functionalized triclosan monomers and oligomers that, when incorporated into a substrate of, or applied as part of a coating to, medical devices and/or consumer products may extend the duration of antimicrobial properties to the medical devices and/or consumer products.
    Type: Application
    Filed: September 17, 2008
    Publication date: April 23, 2009
    Applicant: Bezwada Biomedical, LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20090098180
    Abstract: The present invention relates to compounds of formula I and II, which are functionalized amino acids, and polymers formed from the same. Polymers formed from the functionalized amino acids are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range. The polymers are also expected to be useful in a variety of medical applications.
    Type: Application
    Filed: October 10, 2006
    Publication date: April 16, 2009
    Applicant: BEZWADA BIOMEDICAL, LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20090082540
    Abstract: The present invention relates to the discovery of new class of linear and multiarmed hydrolysable linkers and cross linkers for use in the synthesis of biodegradable polymers such as, polyesters, polyurethanes, polyamides, polyureas and degradable epoxy amine resin. The linear and multiarmed hydrolysable linkers of the present invention include symmetrical and/or unsymmetrical ether carboxylic acids, amines, amide diols, amine polyols and isocyanates.
    Type: Application
    Filed: September 17, 2008
    Publication date: March 26, 2009
    Applicant: BEZWADA BIOMEDICAL, LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20090076174
    Abstract: The present invention relates to the discovery of biodegradable multi-armed oligomers wherein the end groups of these oligomers have been functionalized with biologically active molecules. The resultant multi-armed oligomers end-functionalized with biologically active molecules have a controllable degradation profile. The hydrolytic degradation of oligomers of the present invention releases the biologically active compound as such with no change in native chemical structure.
    Type: Application
    Filed: September 3, 2008
    Publication date: March 19, 2009
    Applicant: BEZWADA BIOMEDICAL, LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20080057127
    Abstract: The present invention relates to compound of formula I, which are functionalized, non-phenolic amino acids, and polymers formed from the same. Polymers formed from the functionalized amino acids are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range. The polymers are also expected to be useful in a variety of medical applications.
    Type: Application
    Filed: August 29, 2007
    Publication date: March 6, 2008
    Applicant: BEZWADA BIOMEDICAL, LLC
    Inventor: Rao S. Bezwada
  • Publication number: 20070141113
    Abstract: The present invention relates to compounds of formula I, which are unsymmetrical aromatic ether diacids, and polymers formed from the same. [R?—(Y)p—O]q—Ar—[O—(X)r—R?]s ??I Polymers formed from the functionalized unsymmetrical aromatic ether diacids are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range. The polymers are also expected to be useful in a variety of medical applications.
    Type: Application
    Filed: February 27, 2007
    Publication date: June 21, 2007
    Applicant: BEZWADA BIOMEDICAL, LLC
    Inventor: Rao Bezwada
  • Publication number: 20070135355
    Abstract: The present invention relates to dephenolic compounds, an example of which is shown below, which are functionalized, and polymers formed from the same. Polymers formed from the functionalized diphenolics are expected to have controllable degradation profiles, enabling them to release an active component over a desired time range. The polymers are also expected to be useful in a variety of medical applications.
    Type: Application
    Filed: December 8, 2006
    Publication date: June 14, 2007
    Applicant: BEZWADA BIOMEDICAL, LLC
    Inventor: Rao Bezwada