Company Filing History:

12 out of 2,825

Ppg Industries, Inc.

patents

5 out of 1,743

Ppg Industries Ohio, Inc.

patents

Years Active: 1986-2002

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6423803 - Polymerizable polyol (allyl carbonate) compositions (2002-07-23),

2. 6077921 - Polymerizable polyol (allyl carbonate) compositions (2000-06-20),

3. 5973093 - Polymerizable polyol (allyl carbonate) composition (1999-10-26),

4. 5965680 - Optical resin composition from polyol((meth)acryloyl carbonate) monomer (1999-10-12),

5. 5952441 - Partially polymerized mixture of diethylene glycol (allyl carbonate) (1999-09-14),

6. 5811503 - Polymerizable composition (1998-09-22),

7. 5739243 - Polymerizable composition (1998-04-14),

8. 5427748 - Chemical feeder (1995-06-27),

9. 5384102 - Chemical feeder (1995-01-24),

10. 5106559 - Solid halogen-containing composition and method for producing same (1992-04-21),

11. 5089127 - Chemical feed apparatus (1992-02-18),

12. 5049385 - Solid halogen-containing composition and method for producing same (1991-09-17),

13. 5009806 - Calcium hypochlorite article (1991-04-23),

14. 4970020 - Calcium hypochlorite composition (1990-11-13),

15. 4927546 - Method for inhibiting growth of algae in recreational water (1990-05-22),

Title: Charles R Wiedrich: Pioneering Inventor from Murrysville, PA

Introduction: Charles R Wiedrich is a distinguished inventor hailing from Murrysville, Pennsylvania, known for his groundbreaking contributions to various fields.

Latest Patents: Charles R Wiedrich holds several patents in the areas of technology and engineering, showcasing his innovative mindset and problem-solving abilities.

Career Highlights: Throughout his illustrious career, Charles R Wiedrich has been recognized for his exceptional work in developing cutting-edge solutions that have had a significant impact on industries worldwide.

Collaborations: Charles R Wiedrich has collaborated with leading experts in the field, fostering a culture of innovation and creativity that has led to the development of revolutionary products and technologies.

Conclusion: Charles R Wiedrich's passion for innovation and his relentless pursuit of excellence continue to inspire aspiring inventors and shape the future of technological advancements.

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