Udo Weigand

USPTO Granted Patents = 28 (Patent Applications = 2)

CIPO Patents = 2

EPO Patents = 14 (Patent Applications = 15)

Average Co-Inventor Count = 2.9

ph-index = 8

Forward Citations = 221(Granted Patents)

Location History:

Muenchen, DE (2001)
München, DE (2015 - 2020)
Munich, DE (2000 - 2024)

Company Filing History:

Optische Werke G. Rodenstock

patents

Years Active: 2000-2024

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28 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11965102 - Photochromic annelated naphthopyrane systems with special substituents, for attaining rapid lightening speeds (2024-04-23),

2. 10647852 - Photochromic multiple ring-fused naphthopyrans having extreme longwave absorption extending far into the visible wavelength range (2020-05-12),

3. 10077274 - UV-curing-compatible photochromic fused naphthopyrans (2018-09-18),

4. 9963574 - Photochromic fluorenopyrans with defined dibenzo[B,D]pyrano fused attachment (2018-05-08),

5. 9151872 - Photochromic double-fused naphthopyrans (2015-10-06),

6. 8987477 - Photochromic bis-idenofused naphthopryans (2015-03-24),

7. 8933220 - Photochromic fused naphthopyrans having a benzene ring which is adjacent to the pyran oxygen and is linked to the para substituent via both meta positions (2015-01-13),

8. 8486312 - Photochromic naphthopyrans having a double-bridged terphenyl sub-unit (2013-07-16),

9. 8236716 - Photochromic benzopyrano-benzopyrans with further fusing (2012-08-07),

10. 8013174 - Photochromic spirodihydrophenanthropyrans (2011-09-06),

11. 7922941 - Photochromic plastic object (2011-04-12),

12. 7892296 - Photochromic benzopyrans (2011-02-22),

13. 7544315 - Photochromic h-annellated benzo[f]chromene compounds (2009-06-09),

14. 7459555 - Photochromic naphthopyrans (2008-12-02),

15. 7229989 - Blue 3H-naphtho[2,1-b]pyran compounds and use thereof in photochromic articles (2007-06-12),

Title: The Innovative Journey of Udo Weigand in Photochromic Technologies

Introduction: Udo Weigand, a prolific inventor based in Munich, Germany, has made significant strides in the field of photochromic technology. With an impressive portfolio of 28 patents, Weigand's work primarily focuses on developing advanced materials that respond to light in innovative ways. His inventions are particularly valuable in various applications, including eyewear and plastic products.

Latest Patents: Two of Udo Weigand's latest patents highlight his groundbreaking contributions to photochromic systems. The first patent discusses photochromic annelated naphthopyrane systems with special substituents designed to achieve rapid lightening speeds. This invention enables very quick transitions without compromising the depth of darkening after excitation, and it can be utilized in a variety of plastics. The second patent addresses photochromic multiple ring-fused naphthopyrans, which exhibit extreme longwave absorption that extends well into the visible range. This innovation is especially useful in ophthalmic applications, including driving glasses.

Career Highlights: Throughout his career, Weigand has worked with notable companies such as Rodenstock GmbH and Optische Werke G. Rodenstock. His dedication to advancing photochromic technology has not only enhanced product offerings but also positioned him as a leader in the field.

Collaborations: Udo Weigand has collaborated with distinguished colleagues, including Manfred Melzig and Claudia Mann. These partnerships have fostered a creative environment that has led to innovative breakthroughs in photochromic materials.

Conclusion: Udo Weigand's contributions to the field of photochromic technology have had a lasting impact on various industries, particularly in enhancing the functionality and usability of plastic products. With his continued focus on innovation and his extensive patent portfolio, Weigand remains a prominent figure in the realm of inventions, pushing the boundaries of what is possible with light-responsive materials.

This text is generated by artificial intelligence and may not be accurate.