Location History:
- Ardentown, DE (US) (1999)
- Willmington, DE (US) (2000)
- Wilmington, DE (US) (1976 - 2002)
Company Filing History:
13 out of 16,338 
2 out of 832,812 Years Active: 1976-2002
Title: The Innovative Contributions of Rashmikant M Contractor in Chemical Engineering
Introduction: Rashmikant M Contractor, a prominent inventor based in Wilmington, DE, has made significant strides in the field of chemical engineering. With a total of 15 patents to his name, Contractor's work primarily focuses on the innovative vapor phase oxidation processes, enabling improved efficiency in the production of key chemical compounds.
Latest Patents: Contractor's most recent patents showcase advanced methods for the selective vapor phase oxidation of propylene to acrolein and acrolein to acrylic acid. The first patent describes an improved method utilizing a recirculating solids reactor system with a bismuth molybdate multimetal oxide. This method involves specific reactant concentrations, including 5 to 30 mol % propylene and 0 to 20 mol % oxygen, aiming to enhance selectivity and propylene conversion.
In his second patent, Contractor details the oxidation of acrolein to acrylic acid using a particulate molybdenum vanadate multimetal oxide as an oxidant. Similar to his previous work, this process emphasizes precise reactant conditions, such as 5 to 30 mol % propylene, 0 to 20 mol % oxygen, and up to 70 mol % water, along with controlled temperature and residence times. This innovation contributes to improved selectivity, conversion rates, and solids conversion ratios.
Career Highlights: Throughout his career, Rashmikant Contractor has collaborated with prestigious companies such as E.I. du Pont de Nemours and Company, enhancing his expertise in chemical processes and innovation.
Collaborations: In his professional journey, Contractor has had the opportunity to work alongside notable colleagues such as Sang-Hak Hwang and Harold S Horowitz. These collaborations have furthered the development of his inventive techniques and contributed to achieving significant outcomes in his projects.
Conclusion: Rashmikant M Contractor exemplifies the impact of innovation in the field of chemical engineering, particularly through his advancements in vapor phase oxidation processes. His contributions not only improve selectivity and conversions in chemical production but also highlight the importance of collaboration in achieving groundbreaking results. With a strong portfolio of patents, Contractor continues to inspire future generations of inventors and engineers.