Company Filing History:

21 out of 17,164

The Procter Gamble Company

Years Active: 1981-2008

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22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7431775 - Liquid detergent formulation with hydrogen peroxide (2008-10-07),

2. 6946128 - Protease conjugates having sterically protected epitope regions (2005-09-20),

3. 6908757 - Serine protease variants having amino acid deletions and substitutions (2005-06-21),

4. 6599730 - Subtilisin 309 variants having decreased adsorption and increased hydrolysis (2003-07-29),

5. 6586224 - Subtilisin protease variants having amino acid deletions and substitutions in defined epitope regions (2003-07-01),

6. 6586223 - Subtilisin protease variants having amino acid substitutions in defined epitope regions (2003-07-01),

7. 6569663 - Serine protease variants having amino acid substitutions (2003-05-27),

8. 6566115 - Protease conjugates having sterically protected clip sites (2003-05-20),

9. 6495136 - Proteases having modified amino acid sequences conjugated to addition moieties (2002-12-17),

10. 6475765 - Subtilisin DY variants having decreased adsorption and increased hydrolysis (2002-11-05),

11. 6455295 - Subtilisin Carlsberg variants having decreased adsorption and increased hydrolysis (2002-09-24),

12. 6451574 - Proteinase K variants having decreased adsorption and increased hydrolysis (2002-09-17),

13. 6440717 - BPN′ variants having decreased adsorption and increased hydrolysis (2002-08-27),

14. 6436690 - BPN′ variants having decreased adsorption and increased hydrolysis wherein one or more loop regions are substituted (2002-08-20),

15. 6284246 - Modified polypeptides with high activity and reduced allergenicity (2001-09-04),

Title: Donn N Rubingh: Innovator in Cleaning Solutions

Introduction

Donn N Rubingh is a prolific inventor based in Cincinnati, Ohio, holding an impressive total of 22 patents. His innovative work primarily focuses on advancements in cleaning and personal care products, demonstrating a keen ability to enhance the effectiveness of these everyday necessities.

Latest Patents

Among his latest inventions is a patent for a liquid detergent formulation featuring hydrogen peroxide. This stabilized basic aqueous composition includes hydrogen peroxide, stabilizers, and a mixture of anionic and non-ionic surfactants. It is designed to maintain a homogeneous single phase, ensuring an optimal active oxygen level for high cleaning performance. Another significant patent involves protease conjugates with sterically protected epitope regions. This includes a subtilisin protease conjugate that combines a protease moiety with one or more addition moieties, resulting in decreased immunogenicity. This innovation is particularly relevant for cleaning and personal care compositions, further showcasing Rubingh's impact on the industry.

Career Highlights

Throughout his career, Donn N Rubingh has worked with notable companies, including The Procter & Gamble Company and Arkema Inc. His contributions have not only advanced product formulations but also set benchmarks for cleaning efficacy in the market.

Collaborations

Rubingh has collaborated with talented individuals such as Bobby Lee Barnett and Philip Frederick Brode, III. These partnerships have fostered innovative approaches and solutions within the field of cleaning and personal care products.

Conclusion

Donn N Rubingh continues to be a key figure in the realm of innovative cleaning solutions. His extensive patent portfolio exemplifies his commitment to improving daily living through effective and advanced product formulations. As the industry evolves, Rubingh's inventions will likely play a significant role in shaping the future of cleaning technologies.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.