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Warrensville Heights, OH, United States of America

Dorothy C Prem

This inventor holds 7 USPTO granted patents. Top assignees: The Standard Oil Company, Sohio. Active years: 1978-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dorothy C Prem. Retrieved from https://idiyas.com/inventor/dorothy-c-prem

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 4

Forward Citations = 301(Granted Patents)

Location History:

Warrensville Heights, OH (US) (1978 - 1979)
Sagamore Hills Township, Summit County, OH (US) (1982)
Sagamore Hills, OH (US) (1981 - 1985)

Company Filing History:

The Standard Oil Company

Years Active: 1978-1985

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4504605 - Film-forming olefinic nitrile polymer latex and method of preparing same (1985-03-12),

2. 4450254 - Impact improvement of high nitrile resins (1984-05-22),

3. 4351756 - Rubber-modified high nitrile copolymers with improved impact resistance (1982-09-28),

4. 4244852 - Rubber-modified high nitrile copolymers with improved impact resistance (1981-01-13),

5. 4163766 - Impact-resistant olefinic-nitrile olefinic-ester copolymers prepared in (1979-08-07),

6. 4127614 - Impact-resistant olefinic-nitrile olefinic-ester copolymers prepared in (1978-11-28),

7. 4079101 - Diolefin polymerization process in the presence of seed polymers (1978-03-14),

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Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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