Richard P Polniaszek from 112 Monaco Dr, Redwood City, CA 94065, age 68

Us Patents

Methods For The Preparation Of Biphenyl Isoxazole Sulfonamides
view source
US Patent:

6639082, Oct 28, 2003
Filed:

Sep 28, 2001
Appl. No.:

09/967387
Inventors:

Richard P. Polniaszek - Foster City CA
Xuebao Wang - East Brunswick NJ
John K. Thottathil - Ivanhoe IL
Theodor Denzel - Regensburg, DE
Assignee:

Bristol-Myers Squibb Company - Princeton NJ
International Classification:

C07D41312
US Classification:

548235
Abstract:

Methods for the preparation of biphenyl isoxazole sulfonamides and intermediates thereof. The present invention also relates to the novel intermediates prepared by these methods. The biphenyl isoxazole sulfonamides prepared by the present methods are endothelin antagonists useful, inter alia, for the treatment of hypertension.

Process For Preparing The Antiviral Agent [1S-(1Alpha,3 Alpha,4Beta )]-2-Amino-1,9-Dihydro-9-[4-Hydroxy-3-(Hydroxymethyl)-2-Methylenecyclopentyl]-6H-Purin-6-One
view source
US Patent:

7034152, Apr 25, 2006
Filed:

Dec 11, 2003
Appl. No.:

10/734012
Inventors:

Yadagiri R. Pendri - South Glastonbury CT, US
Chung-Pin H. Chen - Madison CT, US
Sunil S. Patel - Fords NJ, US
Jeffrey M. Evans - Manlius NY, US
Jing Liang - Princeton NJ, US
David R. Kronenthal - Yardley PA, US
Gerald L. Powers - North Brunswick NJ, US
Siva Josyula Prasad - Kendall Park NJ, US
Jeffrey T. Bien - Princeton NJ, US
Zhongping Shi - West Windsor NJ, US
Ramesh N. Patel - Bridgewater NJ, US
Amit Banerjee - St. Louis MO, US
Yeung Yu Chan - Kendall Park NJ, US
Sushil K. Rijhwani - Robbinsville NJ, US
Ambarish K. Singh - Bordentown NJ, US
Shaopeng Wang - King of Prussia PA, US
Milan Stojanovic - Fort Lee NJ, US
David J. Kucera - Del Mar CA, US
Richard P. Polniaszek - Redwood City CA, US
Charles Lewis - Fairfield NJ, US
John Thottathil - Ivanhoe IL, US
Maotang X. Zhou - Jamesville NY, US
Purushotham Vemishetti - East Syracuse NY, US
Assignee:

Bristol-Myers Squibb Company - Princeton NJ
International Classification:

C07D 473/18
C07D 7/08
C07D 473/40
C07F 7/10
C07F 7/18
US Classification:

544229, 544276, 548215, 556436, 556441, 556473, 556465, 556413, 556443, 556482, 556489, 562126, 568660
Abstract:

Processes are disclosed for preparing the antiviral agent entecavir. A resin adsorption process for the isolation and purification of entecavir is also disclosed. Various intermediates useful in the preparation of entecavir are also disclosed.

Intermediates In The Preparation Of The Antiviral Agent [1S-(1Α, 3Α, 4Β)]-2-Amino-1,9-Dihydro-9-[4-Hydroxy-3-(Hydroxmethyl)-2-Methylenecyclopentyl]-6H-Purin-6-One
view source
US Patent:

7550619, Jun 23, 2009
Filed:

Dec 19, 2005
Appl. No.:

11/311598
Inventors:

Yadagiri R. Pendri - South Glastonbury CT, US
Chung-Pin H. Chen - Madison CT, US
Jing Liang - Princeton NJ, US
Shaopeng Wang - King of Prussia PA, US
Milan Stojanovic - Fort Lee NJ, US
Richard P. Polniaszek - Redwood City CA, US
John Thottathil - Ivanhoe IL, US
Assignee:

Bristol-Myers Squibb Company - Princeton NJ
International Classification:

C07F 7/04
C07F 7/08
US Classification:

556441, 556436, 556473, 556465, 556413, 556443, 556482, 556489, 562126, 568660
Abstract:

Intermediates useful in the preparation of the antiviral agent entecavir are disclosed. A resin adsorption process for the isolation and purification of entecavir is also disclosed. Various processes useful in the preparation of entecavir are also disclosed.

Process For Preparation Of Hiv Protease Inhibitors
view source
US Patent:

8173623, May 8, 2012
Filed:

Mar 29, 2007
Appl. No.:

11/729522
Inventors:

Kenneth R. Crawford - Burke VA, US
Eric Dowdy - Foster City CA, US
Arnold Gutierrez - San Jose CA, US
Richard P. Polniaszek - Redwood City CA, US
Richard Hung Chiu Yu - San Francisco CA, US
Assignee:

Gilead Sciences, Inc. - Foster City CA
International Classification:

A61K 31/665
US Classification:

514100
Abstract:

A process for the synthesis of bisfuran intermediates useful for preparing antiviral HIV protease inhibitor compounds is hereby disclosed.

Process For Preparation Of Hiv Protease Inhibitors
view source
US Patent:

8431745, Apr 30, 2013
Filed:

Feb 21, 2012
Appl. No.:

13/401659
Inventors:

Kenneth R. Crawford - Westwood MA, US
Eric D. Dowdy - Foster City CA, US
Arnold Gutierrez - San Jose CA, US
Richard P. Polniaszek - Half Moon Bay CA, US
Richard Hung Chiu Yu - San Francisco CA, US
Assignee:

Gilead Sciences, Inc. - Foster City CA
International Classification:

C07C 381/00
US Classification:

564 89
Abstract:

A process for the synthesis of bisfuran intermediates useful for preparing antiviral HIV protease inhibitor compounds is hereby disclosed.

Methods And Intermediates For Preparing Pharmaceutical Agents
view source
US Patent:

8497396, Jul 30, 2013
Filed:

Apr 1, 2010
Appl. No.:

12/752639
Inventors:

Richard Polniaszek - Foster City CA, US
Steven Pfeiffer - Foster City CA, US
Richard Yu - Foster City CA, US
Aaron Cullen - Foster City CA, US
Eric Dowdy - Foster City CA, US
Duong Tran - Edmonton, CA
Kenneth Kent - Foster City CA, US
Zhongxin Zhou - Edmonton, CA
Doug Cordeau - Foster City CA, US
Leah Easton - Foster City CA, US
Assignee:

Gilead Sciences, Inc. - Foster City CA
International Classification:

C07C 307/06
C07D 413/14
US Classification:

564 79, 544133
Abstract:

The invention provides methods and intermediates that are useful for preparing a compound of formula I:.

Processes And Intermediates Useful For Preparing Integrase Inhibitor Compounds
view source
US Patent:

20080039487, Feb 14, 2008
Filed:

Dec 21, 2006
Appl. No.:

11/644811
Inventors:

Jared Evans - Foster City CA, US
Jay Parrish - Redwood City CA, US
Dominika Pcion - Half Moon Bay CA, US
Richard Polniaszek - Redwood City CA, US
Christina Schmidt - Belmont CA, US
Richard Yu - San Francisco CA, US
Vahid Zia - San Carlos CA, US
International Classification:

A61K 31/44
A61P 31/18
C07D 471/04
US Classification:

514292000, 546084000
Abstract:

The invention provides processes and intermediates useful for preparing integrase inhibiting compounds.

Salts Of Hiv Inhibitor Compounds
view source
US Patent:

20100093667, Apr 15, 2010
Filed:

Jul 7, 2009
Appl. No.:

12/499018
Inventors:

Benjamin R. Graetz - San Mateo CA, US
Richard Polniaszek - Redwood City CA, US
Assignee:

Gilead Sciences, Inc. - Foster City CA
International Classification:

A61K 31/675
C07F 9/04
A61P 31/18
US Classification:

514 81, 544244
Abstract:

The invention is related to salts of anti-viral compounds, compositions containing such salts, and therapeutic methods that include the administration of such salts, as well as to processes and intermediates useful for preparing such salts.

Vehicle Records

Richard Polniaszek
view source
Address:

2904 Alameda Ave, Half Moon Bay, CA 94019
Phone:

6506108830
VIN:

5FNYF28717B019408
Make:

HONDA
Model:

PILOT
Year:

2007

Youtube

Richard Rapport and Grigoriy Oparin after Rou...

The FIDE Grand Prix 2022 is a series of three chess tournaments and th...

Duration:

2m 46s

Richard 4Grant - Vixa Vixa Robimy Mixa vol. ...

1, Avicii - Without You ft. Sandro Cavazza (WANCHIZ Bootleg 2022) 2, C...

Duration:

1h 1m 34s

Richard Chambers on the Hard Life of Sanction...

News correspondent Richard Chambers joins Ciara Doherty from London to...

Duration:

52s

RUSSIA : RICHARD HOLBROOKE PRAISES RUSSIA'S E...

(17 Oct 1995) Russian/Eng/Nat U-S special envoy Richard Holbrooke has ...

Duration:

2m 28s

Grand Prix Round 5 Pool B Recap (Wojtaszek, F...

Check out games Radoslaw Wojtaszek - Vladimir Fedoseev and Richard Rap...

Duration:

17m 20s

Student Meets Master! || Carlsen vs Van Foree...

Abdusattorov vs Carlsen 2021 HERE! Photos by Lenart Ootes Have a gre...

Duration:

10m 33s

World Rapid Championship 2022 | Day 2 | Peter...

World Chess Champion Magnus Carlsen heads the field for the 2022 World...

World Champions Collide! || Carlsen vs Abdusa...

Abdusattorov vs Carlsen 2021 HERE! Photos by Lenart Ootes Have a gre...

Duration:

14m

Richard P Polniaszek

Richard Polniaszek Phones & Addresses

Work

Education

Us Patents

Methods For The Preparation Of Biphenyl Isoxazole Sulfonamides

Process For Preparing The Antiviral Agent [1S-(1Alpha,3 Alpha,4Beta )]-2-Amino-1,9-Dihydro-9-[4-Hydroxy-3-(Hydroxymethyl)-2-Methylenecyclopentyl]-6H-Purin-6-One

Intermediates In The Preparation Of The Antiviral Agent [1S-(1Α, 3Α, 4Β)]-2-Amino-1,9-Dihydro-9-[4-Hydroxy-3-(Hydroxmethyl)-2-Methylenecyclopentyl]-6H-Purin-6-One

Process For Preparation Of Hiv Protease Inhibitors