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Walter Brieden

USPTO Granted Patents = 34 (Patent Applications = 1)

CIPO Patents = 1

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 51(Granted Patents)

Location History:

Brig-Gils, CH (2003)
Brig-Glis, CH (2000 - 2004)
Brig, CH (2002 - 2008)
Glis, CH (1998 - 2009)
Ausserberg, CH (2008 - 2013)

Company Filing History:

4. 1 out of 832,761

Other

patents

Years Active: 1998-2013

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34 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8501967 - Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols (2013-08-06),

2. 8258338 - Process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols (2012-09-04),

3. 7553652 - Process for the preparation of (S)- or (R)-3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid (2009-06-30),

4. 7417153 - Method for the production of 3-amino-5-(hydroxymethyl)cyclopentane-1,2-diol derivatives (2008-08-26),

5. 7405065 - Enzyme for the preparation of 1-amino-4-(hydroxymethyl)-2-cyclopentene derivatives (2008-07-29),

6. 7358073 - Process for the preparation of aminoalcohol derivatives and their further conversion to (1R, 4S)-4(2-amino-6-chloro-5-formamido-4- pyrimidinyl)-amino-2-cyclopentenyl-1-methanol (2008-04-15),

7. 7338945 - Process for the preparation of aminoalcohol derivatives and their further conversion to (1R, 4S)-4(2-amino-6-chloro-5-formamido-4-pyrimidinyl)-amino-2-cyclopentenyl-1-methanol (2008-03-04),

8. 7229981 - Process for the preparation of aminoalcohol derivatives and their further conversion to (1R,4S)-4-(2-amino-6-chloro-5-formamido-4-pyrimidinyl)-amino)-2-cyclopentenyl-1-methanol (2007-06-12),

9. 7074606 - Process for the preparation of (S) - or (R) -3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid (2006-07-11),

10. 6787347 - Process for the preparation of amino alcohols and derivatives thereof and microorganisms useful in process (2004-09-07),

11. 6773910 - Method of preparing (S)- or (R) -3,3,3-trifluoro-2-hydroxy-2-methylpropionic acid (2004-08-10),

12. 6723868 - Process for the preparation of aminoalcohol derivatives and their further conversion to (1R,4S)-4-((2-amino-6-chloro-5-formamido-4-pyrimidinyl)-amino)-2-cyclopentenyl-1-methanol (2004-04-20),

13. 6716999 - Pyrone derivatives and method for producing same (2004-04-06),

14. 6716981 - Process for the preparation of N-(amino-4, 6-dihalo-pyrimidine) formamides (2004-04-06),

15. 6524844 - Process for preparing optically active 1-amino-4-(hydroxymethyl) cyclopent-2-ene derivatives (2003-02-25),

Title: Expanding Horizons with Walter Brieden: Inventor with 34 Patents

Introduction:

Walter Brieden, a renowned inventor hailing from Glis, Switzerland, has made significant contributions to the field of chemistry with his innovative patent portfolio. With a strong background in the development of enantiomerically pure 1-substituted-3-aminoalcohols, Brieden has made remarkable breakthroughs in the pharmaceutical industry. This article delves into his latest patents, career highlights, notable collaborations, and the lasting impact of his inventions.

Latest Patents:

Brieden's recent patents include a groundbreaking process for the preparation of enantiomerically pure 1-substituted-3-aminoalcohols. In simple terms, this process involves the synthesis of N-monosubstituted β-aminoalcohol sulfonates with specific chemical formulas. Using a combination of methyl ketone, primary amine, formaldehyde, and sulfonic acid, Brieden expertly utilizes organic solvents to produce the desired compounds. An additional step of asymmetric hydrogenation is performed, employing transition metals and disphosphine ligands, further enhancing the efficacy of the final products.

Career Highlights:

Over his illustrious career, Walter Brieden has amassed an impressive total of 34 patents. His expertise lies in the area of enantiomerically pure 1-substituted-3-aminoalcohols, which have great significance in the production of pharmaceuticals. This field demands precision and innovation, as it largely affects the effectiveness and safety of medical treatments. Brieden's expertise and contributions have undoubtedly played a vital role in advancing the pharmaceutical industry's capability to produce highly specific medications.

Collaborations:

Throughout his career, Brieden has collaborated with various companies to bring his inventive concepts to life. Notably, he has worked closely with Lonza AG and Lonza Inc., prestigious companies in the field of chemical and pharmaceutical manufacturing. These collaborations have provided Brieden with the necessary resources and platforms to further refine and optimize his patentable inventions. Furthermore, Brieden has had the privilege of working alongside esteemed coworkers like Eva Maria Urban and Christine Bernegger-Egli, who have also been instrumental in achieving successful outcomes.

Conclusion:

Walter Brieden's groundbreaking inventions and numerous patents have made a significant impact on the field of chemistry, particularly in the development of enantiomerically pure 1-substituted-3-aminoalcohols. His innovative processes and collaborations with notable companies have advanced the pharmaceutical industry's capability to produce highly specific medications. Brieden's dedication to excellence and relentless pursuit of innovation truly make him a standout inventor in the realm of chemical advancements.

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