Patents by Inventor Biswanath De
Biswanath De 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).
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Patent number: 6451859Abstract: Compounds having a structure according to the following formula: are effective in treating disorders such as bone disorders and glaucoma in a subject in need thereof.Type: GrantFiled: August 29, 2001Date of Patent: September 17, 2002Assignee: The Procter & Gamble CompanyInventors: Mitchell Anthony deLong, David Lindsey Soper, John August Wos, Biswanath De
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Patent number: 6444840Abstract: The invention provides novel prostaglandin analogs. In particular, the present invention relates to compounds having a structure according to formula (I) wherein R1, R2, R3, R4, R5, R6, W, X, Z, a, b, p and q are defined below. This invention also includes optical isomers, diastereomers and enantiomers of formula (I), and pharmaceutically-acceptable salts, biohydrolyzable amides, esters, and imides thereof. The compounds of the present invention are useful for the treatment of a variety of diseases and conditions, such as bone disorders and glaucoma. Accordingly, the invention further provides pharmaceutical compositions comprising these compounds. The invention still further provides methods of treatment for bone disorders and glaucoma using these compounds or the compositions containing them.Type: GrantFiled: September 28, 2000Date of Patent: September 3, 2002Assignee: The Procter & Gamble Co.Inventors: Mitchell Anthony deLong, Jack Snyder Amburgey, Jr., John August Wos, Biswanath De, David Lindsey Soper
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Patent number: 6417219Abstract: The invention provides compounds which are useful as inhibitors of metalloproteases, and which are effective in treating conditions characterized by excess activity of these enzymes. In particular, the present invention relates to a compound having a structure according to Formula (I). Also disclosed are compounds, pharmaceutical compositions and methods of treating diseases characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.Type: GrantFiled: August 26, 1997Date of Patent: July 9, 2002Assignee: The Proctor & Gamble CompanyInventors: Michael George Natchus, Biswanath De, Stanislaw Pikul, Neil Gregory Almstead, Roger Gunnard Bookland, Yetunde Olabisi Taiwo, Menyan Cheng
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Patent number: 6410780Abstract: The invention provides novel prostaglandin analogs. In particular, the present invention relates to compounds having a structure according to formula (I) wherein R1, R2, R3, R4, R5, R6, W, X, Z, a, b, p and q are defined below. This invention also includes optical isomers, diastereomers and enantiomers of formula (I), and pharmaceutically-acceptable salts, biohydrolyzable amides, esters, and imides thereof. The compounds of the present invention are useful for the treatment of a variety of diseases and conditions, such as bone disorders and glaucoma. Accordingly, the invention further provides pharmaceutical compositions comprising these compounds. The invention still further provides methods of treatment for bone disorders and glaucoma using these compounds or the compositions containing them.Type: GrantFiled: September 28, 2000Date of Patent: June 25, 2002Assignee: The Procter & Gamble Co.Inventors: Mitchell Anthony deLong, Jack Snyder Amburgey, Jr., John August Wos, Biswanath De, David Lindsey Soper
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Publication number: 20020072517Abstract: The invention provides compounds which are useful as inhibitors of metalloproteases, and which are effective in treating conditions characterized by excess activity of these enzymes. In particular, the present invention relates to a compound having a structure according to Formula (I).Type: ApplicationFiled: June 25, 2001Publication date: June 13, 2002Applicant: The Procter & Gamble CompanyInventors: Michael George Natchus, Biswanath De, Stanislaw Pikul, Neil Gregory Almstead, Roger Gunnard Bookland, Yetunde Olabisi Taiwo, Menyan Cheng
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Patent number: 6399598Abstract: The invention provides compounds of formula as described in the claims, or an optical isomer, diastereomer or enantiomer thereof, or a pharmaceutically-acceptacle salt, or biohydrolyzable amide, ester, or imide thereof are useful as inhibitors of metalloproteases. Also disclosed are pharmaceutical compositions and methods of treating diseases, disorders and conditions characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.Type: GrantFiled: March 1, 2000Date of Patent: June 4, 2002Assignee: The Procter & Gamble CompanyInventors: Stanislaw Pikul, Neil Gregory Almstead, Rimma Sandler Bradley, Kelly Lynn McDow-Dunham, Biswanath De, Michael George Natchus, Yetunde Olabisi Taiwo, Thomas Lee Cupps
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Publication number: 20020061877Abstract: The invention provides compounds which are useful as inhibitors of metalloproteases, and which are effective in treating conditions characterized by excess activity of these enzymes. In particular, the present invention relates to a compound having a structure according to Formula (I).Type: ApplicationFiled: June 25, 2001Publication date: May 23, 2002Applicant: The Procter & Gamble CompanyInventors: Michael George Natchus, Biswanath De, Stanislaw Pikul, Neil Gregory Almstead, Roger Gunnard Bookland, Yetunde Olabisi Taiwo, Menyan Cheng
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Patent number: 6372730Abstract: The invention provides novel Prostaglandin F analogs. In particular, the present invention is directed to compounds having a structure according to the following formula: wherein R1, R2, X, Y, V, a, b, W, and Z are defined below. This invention also includes optical isomers, diastereomers and enantiomers of the formula above, and pharmaceutically—acceptable salts, biohydrolyzable amides, esters, and imides thereof. The compounds of the present invention are useful for the treatment of a variety of diseases and conditions, such as bone disorders and glaucoma. Accordingly, the invention further provides pharmaceutical compositions comprising these compounds. The invention still further provides methods of treatment for bone disorders and glaucoma using these compounds or the compositions containing them.Type: GrantFiled: August 3, 2000Date of Patent: April 16, 2002Assignee: The Procter & Gamble CompanyInventors: Mitchell Anthony deLong, John August Wos, Biswanath De, Frank Hallock Ebetino
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Publication number: 20020037913Abstract: Compounds having the general structure: 1Type: ApplicationFiled: September 4, 2001Publication date: March 28, 2002Inventors: Mitchell Anthony deLong, David Lindsey Soper, John August Wos, Biswanath De
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Patent number: 6329418Abstract: The invention provides compounds which are potent inhibitors of metalloproteases and which are effective in treating conditions characterized by excess activity of these enzymes. In particular, the present invention relates to compounds having a structure according to the following Formula (I): wherein R1, R2, X, Z, m, and n are defined below. to This invention also includes optical isomers, diastereomers and enantiomers of the formula above, and pharmaceutically-acceptable salts, biohydrolyzable amides, esters, and imides thereof. The compounds of the present invention are useful for the treatment of diseases and conditions which are characterized by unwanted metalloprotease activity. Accordingly, the invention further provides pharmaceutical compositions comprising these compounds. The invention still further provides methods of treatment for metalloprotease-related maladies using these compounds or the pharmaceutical compositions containing them.Type: GrantFiled: March 23, 1999Date of Patent: December 11, 2001Assignee: The Procter & Gamble CompanyInventors: Menyan Cheng, Michael George Natchus, Biswanath De, Neil Gregory Almstead, Yetunde Olabisi Taiwo, Stanislaw Pikul
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Patent number: 6218389Abstract: The invention provides compounds of formula as described in the claims, or an optical isomer, diastereomer or enantiomer thereof, or a pharmaceutically-acceptable salt, or biohydrolyzable amide, ester, or imide thereof are useful as inhibitors of metalloproteases. Also disclosed are pharmaceutical compositions and methods of treating diseases, disorders and conditions characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.Type: GrantFiled: July 31, 1998Date of Patent: April 17, 2001Assignee: The Procter & Gamble Co.Inventors: Neil Gregory Almstead, Roger Gunnard Bookland, Yetunde Olabisi Taiwo, Rimma Sandler Bradley, Rodney Dean Bush, Biswanath De, Michael George Natchus, Stanislaw Pikul
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Patent number: 6197770Abstract: Disclosed are compounds which are inhibitors of metalloproteases and which are effective in treating conditions characterized by excess activity of these enzymes. In particular, the compounds have a structure according to the following Formula (I): where X, W, Z, A, G, R1, R2, R3, R4, R5, R5′ and k have the meanings described in the specification. This invention also includes optical isomers, diastereomers and enantiomers of the formula above, and pharmaceutically-acceptable salts, biohydrolyzable amides, esters, and imides thereof Also described are pharmaceutical compositions comprising these compounds, and methods of treating or preventing metalloprotease-related maladies using the compounds or the pharmaceutical compositions.Type: GrantFiled: March 1, 2000Date of Patent: March 6, 2001Assignee: The Procter & Gamble Co.Inventors: Michael George Natchus, Roger Gunnard Bookland, Neil Gregory Almstead, Stanislaw Pikul, Biswanath De, Menyan Cheng
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Patent number: 6166005Abstract: The invention provides compounds of formula ##STR1## as described in the claims, or an optical isomer, diastereomer or enantiomer thereof, or a pharmaceutically-acceptable salt, or biohydrolyzable amide, ester, or imide thereof are useful as inhibitors of metalloproteases. Also disclosed are pharmaceutical compositions and methods of treating diseases, disorders and conditions characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.Type: GrantFiled: August 26, 1997Date of Patent: December 26, 2000Assignee: The Procter & Gamble CompanyInventors: Biswanath De, Stanislaw Pikul, Menyan Cheng, Neil Gregory Almstead, Randall Stryker Matthews, Michael George Natchus, Yetunde Olabisi Taiwo
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Patent number: 6150370Abstract: Disclosed are compounds which are inhibitors of metalloproteases having the following structure: ##STR1## where Ar, W, X, Y, Z, R.sub.1 and R.sub.2 have the meanings described in the specification and optical isomers, diastereomers, and enantiomers thereof or a pharmaceutically-acceptable salt, or biohydrolyzable amides, esters, or imides thereof. Also disclosed are pharmaceutical compositions and methods of treating diseases, disorders and conditions characterized by unwanted metalloprotease activity using these compounds or pharmaceutical compositions.Type: GrantFiled: August 26, 1997Date of Patent: November 21, 2000Assignee: The Procter & Gamble CompanyInventors: Stanislaw Pikul, Kelly Lynn McDow-Dunham, Neil Gregory Almstead, Biswanath De, Michael George Natchus, Yetunde Olabisi Taiwo
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Patent number: 6121272Abstract: The invention provides compounds which are useful as inhibitors of metalloproteases, and which are effective in treating conditions characterized by excess activity of these enzymes. In particular, the present invention relates to a compound having a structure according to Formula (I) ##STR1## as described in the claims, or an optical isomer, diastereomer or enantiomer thereof, or a pharmaceutically-acceptable salt, or biohydrolyzable alkoxyamide, ester, acyloxyamide, or imide thereof. Also disclosed are compounds, pharmaceutical compositions and methods of treating diseases characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.Type: GrantFiled: August 26, 1997Date of Patent: September 19, 2000Assignee: The Procter & Gamble CompanyInventors: Neil Gregory Almstead, Biswanath De, Rimma Sandler Bradley, Garry Steven Garrett, John Emory Marlin, II, John McMillan McIver, Zhe Wang, Yetunde Olabisi Taiwo
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Patent number: 6121258Abstract: The invention provides compounds of formula ##STR1## as described in the claims, or an optical isomer, diastereomer or enantiomer thereof, or a pharmaceutically-acceptable salt, or biohydrolyzable amide, ester, or imide thereof are useful as inhibitors of metalloproteases.Also disclosed are pharmaceutical compositions and methods of treating diseases, disorders and conditions characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.Type: GrantFiled: August 26, 1997Date of Patent: September 19, 2000Assignee: The Procter & Gamble CompanyInventors: Stanislaw Pikul, Neil Gregory Almstead, Rimma Sandler Bradley, Kelly Lynn McDow-Dunham, Biswanath De, Michael George Natchus, Yetunde Olabisi Taiwo, Thomas Lee Cupps
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Patent number: 6107338Abstract: The invention provides novel PGF analogs. In particular, the present invention relates to compounds having a structure according to the following formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, X, Y, and Z are defined below. This invention also includes optical isomers, diastereomers and enantiomers of the formula above, and pharmaceutically-acceptable salts, biohydrolyzable amides, esters, and imides thereof.The compounds of the present invention are useful for the treatment of a variety of diseases and conditions, such as bone disorders and glaucoma. Accordingly, the invention further provides pharmaceutical compositions comprising these compounds. The invention still further provides methods of treatment for bone disorders and glaucoma using theses compounds or the compositions containing them.Type: GrantFiled: September 4, 1998Date of Patent: August 22, 2000Assignee: The Procter & Gamble CompanyInventors: John August Wos, Mitchell Anthony deLong, Jack S. Amburgey, Jr., Haiyan George Dai, Cynthia Jean Miley, Biswanath De
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Patent number: 6066751Abstract: It has been surprisingly discovered that the disadvantages of the lengthy literature procedures to synthesize 13,14-dihydro prostaglandin A, E, and F derivatives can be overcome using a novel Methyl 7-(2-hydroxy-5-(2-(2-oxiranyl)ethyl)-4-(1,1,2,2 tetramethyl-1-silapropoxy)cyclopentyl) heptanoate intermediate, which can be synthesized from commercially available Methyl 7-[3-(R)-hydroxy-5-oxo-1-cyclopent-1-yl] heptanoate. This novel intermediate can be coupled with oxygen, carbon, sulfur, and nitrogen nucleophiles, in the presence of a base or a Lewis acid, in a ring-opening process to provide 13,14-dihydro prostaglandin A, E, and F derivatives.Type: GrantFiled: September 4, 1998Date of Patent: May 23, 2000Assignee: The Procter & Gamble CompanyInventors: John August Wos, Jack Snyder Amburgey, Jr., Mitchell Anthony deLong, Yili Wang, Haiyan George Dai, Biswanath De
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Patent number: 6048895Abstract: The invention provides novel PGF analogs. In particular, the present invention relates to compounds having a structure according to the following formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, X, and Z are as defined. This invention also includes optical isomers, diastereomers and enantiomers of the formula above, and pharmaceutically-acceptable salts, biohydrolyzable amides, esters, and imides thereof.The compounds of the present invention are useful for the treatment of a variety of diseases and conditions, such as bone disorders and glaucoma. Accordingly, the invention further provides pharmaceutical compositions comprising these compounds. The invention still further provides methods of treatment for bone disorders and glaucoma using theses compounds or the compositions containing them.Type: GrantFiled: September 4, 1998Date of Patent: April 11, 2000Assignee: The Procter & Gamble CompanyInventors: John August Wos, Mitchell Anthony deLong, Jack S. Amburgey, Jr., Haiyan George Dai, Biswanath De, David Lindsey Soper
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Patent number: 6015912Abstract: The invention provides compounds of formula ##STR1## as described in the claims, or an optical isomer, diastereomer or enantiomer thereof, or a pharmaceutically-acceptable salt, or biohydrolyzable amide, ester, or imide thereof are useful as inhibitors of metalloproteases.Also disclosed are pharmaceutical compositions and methods of treating diseases, disorders and conditions characterized by metalloprotease activity using these compounds or the pharmaceutical compositions containing them.Type: GrantFiled: August 26, 1997Date of Patent: January 18, 2000Assignee: The Procter & Gamble CompanyInventors: Zhe Wang, Neil Gregory Almstead, Rimma Sandler Bradley, Michael George Natchus, Biswanath De, Stanislaw Pikul, Yetunde Olabisi Taiwo